Marine Market

MHD-Series 5-Channel Class-D 24-Volt Marine Grade Amplifier, 100-Watts x 4ch + 500-Watt Mono @ 1.5-4Ω Thanks to its ability to act as a "one-box solution", the MHD900/5-24V is ideal for installations where space is at a premium and sound quality is the paramount goal. While extremely compact, this amazing amplifier will comfortably drive a complete high-performance marine audio system: that is, four satellite speaker systems and a subwoofer system... with a very serious 900 watts of power! Using JL Audio's Single Cycle Control switching design and R.I.P.S technology, the MHD900/5-24V delivers 100W x 4ch to its four main channels, plus a very meaty 500W to its subwoofer channel. Thanks to R.I.P.S., high power can be delivered over a wide range of load impedances, while the tight power supply regulation keeps distortion down, maximizing sound quality. This marine amplifier features white and gray powder-coat finishes, a gasketed cover for the controls and stainless steel hardware for durability in the marine environment. This amplifier is designed for operation in vessels with 24 volt, negative-ground electrical systems. Use of this product in vessels with positive ground and/or voltages other than 24V may result in damage to the product and will void the warranty. Specifications Main Channels @ 4 Ω 100 W RMS x 4 Main Channels @ 3 Ω 75 W RMS x 4 Main Channels @ 2 Ω 75 W RMS x 4 Main Channels @ 1.5 Ω 75 W RMS x 4 Main Channels - Bridged @ 8 Ω 200 W RMS x 2 Main Channels - Bridged @ 4 Ω 150 W RMS x 2 Subwoofer Channel @ 4 Ω 500 W RMS x 1 Subwoofer Channel @ 3 Ω 500 W RMS x 1 Subwoofer Channel @ 2 Ω 500 W RMS x 1 Subwoofer Channel @ 1.5 Ω 500 W RMS x 1 Frequency Response (Main Channels) 12 Hz - 28 kHz (+0, -1dB) Frequency Response (Subwoofer Channel) 12 Hz - 10 kHz (+0, -1dB) S/N Ratio, referred to highest rated power (Main Channels) >108.5 dB below rated power (A-weighted, 20 Hz - 20 kHz noise bandwidth) S/N Ratio, referred to 1 W (Main Channels) >88.2 dB (A-weighted, 20 Hz - 20 kHz noise bandwidth) Damping Factor @ 4 Ω >400 / 50 Hz Damping Factor @ 2 Ω >200 / 50 Hz THD+N @ Rated Power (Main Channels) <0.03% @ 4 Ω THD+N @ Rated Power (Subwoofer Channel) <0.05% @ 4 Ω Input Voltage Range @ RCA Inputs Switchable from 200 mV - 2 V RMS (Low) to 800 mV - 8 V RMS (High) Min.Copper Power / Ground Wire Gauge Accepts up to 4 AWG wire Fuse Rating 30 A (AFS, AGU or MaxiFuse™) Filter Mode(s): Channels 1 & 2 (front) High-Pass only Filter Slope(s): Channels 1 & 2 (front) 12/24 dB/octave Filter Frequency Range: Channels 1 & 2 (front) 50 Hz - 500 Hz Filter Mode(s): Channels 3 & 4 (rear) High-Pass only Filter Slope(s): Channels 3 & 4 (rear) 12/24 dB/octave Filter Frequency Range: Channels 3 & 4 50 Hz - 500 Hz Filter Mode(s): Subwoofer Channel Low-Pass only Filter Slope(s): Subwoofer Channel 12/24 dB/octave Filter Frequency Range: Subwoofer Channel 50 Hz - 500 Hz Detented, Calibrated Filter Freq. Potentiometers Yes Filter Defeat Function Yes Infrasonic Filter: Subwoofer Channel 30 Hz, Defeatable Remote Level Control Optional (HD-RLC) Remote Level Modes Sub Ch. only Channel Input Mode Switch Yes (2/4/6 ch.) Pass-Through Preamp Output None Source Channel Selection for PreOuts N/A JL Audio MHD900/5-24V Manual

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MHD-Series 5-Channel Class-D Marine Grade Amplifier, 100-Watts x 4ch + 500-Watt Mono @ 1.5-4Ω Thanks to its ability to act as a "one-box solution", the MHD900/5 is ideal for installations where space is at a premium and sound quality is the paramount goal. While extremely compact, this amazing amplifier will comfortably drive a complete high-performance marine audio system: that is, four satellite speaker systems and a subwoofer system... with a very serious 900 watts of power! Using JL Audio's Single Cycle Control switching design and R.I.P.S technology, the MHD900/5 delivers 100W x 4ch, plus a very meaty 500W to its subwoofer channel. Thanks to R.I.P.S., high power can be delivered over a wide range of load impedances, while the tight power supply regulation keeps distortion down, maximizing sound quality. This marine amplifier features white and gray powder-coat finishes, a gasketed cover for the controls and stainless steel hardware for durability in the marine environment. Specifications Main Channels @ 4 Ω 100 W RMS x 4 Main Channels @ 3 Ω 75 W RMS x 4 Main Channels @ 2 Ω 75 W RMS x 4 Main Channels @ 1.5 Ω 75 W RMS x 4 Main Channels - Bridged @ 8 Ω 200 W RMS x 2 Main Channels - Bridged @ 4 Ω 150 W RMS x 2 Subwoofer Channel @ 4 Ω 500 W RMS x 1 Subwoofer Channel @ 3 Ω 500 W RMS x 1 Subwoofer Channel @ 2 Ω 500 W RMS x 1 Subwoofer Channel @ 1.5 Ω 500 W RMS x 1 Frequency Response (Main Channels) 12 Hz - 28 kHz (+0, -1dB) Frequency Response (Subwoofer Channel) 12 Hz - 10 kHz (+0, -1dB) S/N Ratio, referred to highest rated power (Main Channels) >108.5 dB below rated power (A-weighted, 20 Hz - 20 kHz noise bandwidth) S/N Ratio, referred to 1 W (Main Channels) >88.2 dB (A-weighted, 20 Hz - 20 kHz noise bandwidth) Damping Factor @ 4 Ω >400 / 50 Hz Damping Factor @ 2 Ω >200 / 50 Hz THD+N @ Rated Power (Main Channels) <0.03% @ 4 Ω THD+N @ Rated Power (Subwoofer Channel) <0.05% @ 4 Ω Input Voltage Range @ RCA Inputs Switchable from 200 mV - 2 V RMS (Low) to 800 mV - 8 V RMS (High) Min.Copper Power / Ground Wire Gauge Accepts up to 4 AWG wire Fuse Rating 60 A (AFS, AGU or MaxiFuse™) Filter Mode(s): Channels 1 & 2 (front) High-Pass only Filter Slope(s): Channels 1 & 2 (front) 12/24 dB/octave Filter Frequency Range: Channels 1 & 2 (front) 50 Hz - 500 Hz Filter Mode(s): Channels 3 & 4 (rear) High-Pass only Filter Slope(s): Channels 3 & 4 (rear) 12/24 dB/octave Filter Frequency Range: Channels 3 & 4 50 Hz - 500 Hz Filter Mode(s): Subwoofer Channel Low-Pass only Filter Slope(s): Subwoofer Channel 12/24 dB/octave Filter Frequency Range: Subwoofer Channel 50 Hz - 500 Hz Detented, Calibrated Filter Freq. Potentiometers Yes Filter Defeat Function Yes Infrasonic Filter: Subwoofer Channel 30 Hz, Defeatable Remote Level Control Optional (HD-RLC) Remote Level Modes Sub Ch. only Channel Input Mode Switch Yes (2/4/6 ch.) Pass-Through Preamp Output None Source Channel Selection for PreOuts N/A JL Audio MHD900/5 Manual

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MHD-Series 4-Channel Class-D 24-Volt Marine Grade Amplifier, 150-Watts x 4ch @ 1.5-4-Ohms This compact, multi-channel powerhouse employs JL's Single-Cycle Control switching design and R.I.P.S. technology to deliver 150W x 4ch or 300W x 2ch's. Tight power supply regulation keeps distortion down and maximizes sound quality. The MHD600/4-24V is the ideal satellite amplifier, delivering huge dynamics with pristine resolution. It can also be deployed, on its own, as a very capable 3-channel system amplifier with 150W x 2ch to the satellites and 300W x 1 to a subwoofer system. This marine amplifier features white and gray powder-coat finishes, a gasketed cover for the controls and stainless steel hardware for durability in the marine environment. This amplifier is designed for operation in vessels with 24 volt, negative-ground electrical systems. Use of this product in vessels with positive ground and/or voltages other than 24 V may result in damage to the product and will void the warranty. Specifications @ 4 Ω 150 W RMS x 4 @ 3 Ω 150 W RMS x 4 @ 2 Ω 150 W RMS x 4 @ 1.5 Ω 150 W RMS x 4 Bridged @ 8 Ω 300 W RMS x 2 Bridged @ 4 Ω 300 W RMS x 2 Frequency Response 6 Hz - 30 kHz (+0, -1dB) S/N Ratio, referred to highest rated power >110 dB (A-weighted, 20 Hz - 20 kHz noise bandwidth) S/N Ratio, referred to 1 W >88.2 dB (A-weighted, 20 Hz - 20 kHz noise bandwidth) Damping Factor @ 4 Ω >300 / 50 Hz Damping Factor @ 2 Ω >150 / 50 Hz THD+N @ Rated Power <0.03% @ 4 Ω per Ch. Input Voltage Range @ RCA Inputs Switchable from 200 mV - 2 V RMS to 800 mV - 8 V RMS Min.Copper Power / Ground Wire Gauge 4 AWG wire Fuse Rating 25 A (AFS, AGU or MaxiFuse™) Filter Mode(s) Low-Pass or High-Pass Filter Slope(s) 12/24 dB/octave Filter Frequency Range 50 Hz - 500 Hz Detented, Calibrated Filter Freq. Potentiometers Yes Filter Defeat Function Yes Remote Level Control Optional (HD-RLC) Remote Level Modes 2 or All Channels Channel Input Mode Switch Yes (2/4 ch.) Pass-Through Preamp Output Buffered Source Channel Selection for PreOuts Yes JL Audio MHD600/4-24V Manual

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MHD-Series 4-Channel Class-D Marine Grade Amplifier, 150-Watts x 4ch @ 1.5-4-Ohms This compact, multi-channel powerhouse employs JL's Single-Cycle Control switching design and R.I.P.S. technology to deliver 150W x 4ch or 300W x 2ch. Tight power supply regulation keeps distortion down and maximizes sound quality. When using the MHD750/1 to drive a subwoofer system, the MHD600/4 is the ideal satellite amplifier, delivering huge dynamics with pristine resolution. It can also be deployed, on its own, as a very capable 3-channel system amplifier with 150W x 2 to the satellites and 300W x 1 to a subwoofer system. This marine amplifier features white and gray powder-coat finishes, a gasketed cover for the controls and stainless steel hardware for durability in the marine environment. Specifications @ 4 Ω 150 W RMS x 4 @ 3 Ω 150 W RMS x 4 @ 2 Ω 150 W RMS x 4 @ 1.5 Ω 150 W RMS x 4 Bridged @ 8 Ω 300 W RMS x 2 Bridged @ 4 Ω 300 W RMS x 2 Frequency Response 6 Hz - 30 kHz (+0, -1dB) S/N Ratio, referred to highest rated power >110 dB (A-weighted, 20 Hz - 20 kHz noise bandwidth) S/N Ratio, referred to 1 W >88.2 dB (A-weighted, 20 Hz - 20 kHz noise bandwidth) Damping Factor @ 4 Ω >300 / 50 Hz Damping Factor @ 2 Ω >150 / 50 Hz THD+N @ Rated Power <0.03% @ 4 Ω per Ch. Input Voltage Range @ RCA Inputs Switchable from 200 mV - 2 V RMS to 800 mV - 8 V RMS Min.Copper Power / Ground Wire Gauge 4 AWG wire Fuse Rating 50 A (AFS, AGU or MaxiFuse™) Filter Mode(s) Low-Pass or High-Pass Filter Slope(s) 12/24 dB/octave Filter Frequency Range 50 Hz - 500 Hz Detented, Calibrated Filter Freq. Potentiometers Yes Filter Defeat Function Yes Remote Level Control Optional (HD-RLC) Remote Level Modes 2 or All Channels Channel Input Mode Switch Yes (2/4 ch.) Pass-Through Preamp Output Buffered Source Channel Selection for PreOuts Yes JL Audio MHD600/4 Manual

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XDM-Series Six-Channel Class-D Marine-Grade Amplifier, 100-Watts x Six-Channels @ 2-Ohm or 75-Watts x 6-Channels @ Four-Ohm The incredibly flexible XDM600/6 packs a serious full-range wallop and delivers a stunning 100-watts to each of its six channels into 2-ohms (14.4V, 1% THD). The technology that makes this much power possible in such a compact chassis is Jl's advanced NexD high-speed switching design, which permits full bandwidth Class D operation with extremely low distortion and remarkable efficiency. Suitable for car or boat installations, the XDM600/6 is built with marine-grade materials and features an exclusive, dual-mode input filter for noise-free performance in boats or cars. Automatic turn-on capability (via signal sensing or DC-offset sensing) is also onboard for easy factory system upgrades. With the XDM600/6, you have plenty of great use options. Configure it as a six-channel satellite amplifier with 75W x 6 @ 4Ω, or bridge four of its channels to create a staggered power four-channel amplifier with 200W x 2 @ 4Ω for your front satellites and 75W x 2 @ 4Ω for your rear satellites. You can also drive two subwoofers with 200W each, plus a pair of satellites with 75W x 2. The XDM600/6 includes a 12dB / octave filter for each channel bank, which can be configured as a low-pass or high-pass filter and offers continuously variable cutoff frequency selection from 50-500 Hz. With the addition of an optional HD-RLC or MHD-RLC (water-resistant) remote level controller (each sold separately), you have the ability to adjust the level of two, four, or all six amplifier channels directly from the driver's seat or cockpit. Finished in a sleek, black powder-coat, all controls are protected beneath a gasketed, removable top cover for easy access. Specifications @ 4 Ω 75 W RMS x 6 @ 14.4V @ 2 Ω 100 W RMS x 6 @ 14.4V Bridged @ 4Ω 200 W RMS x 3 @ 14.4V @ 4 Ω 60 W RMS x 6 @ 12.5V @ 2 Ω 90 W RMS x 6 @ 12.5V Bridged @ 4Ω 180 W RMS x 3 @ 12.5V Frequency Response 12 Hz - 22 kHz (+0, -1dB) S/N Ratio, referred to highest rated power >104 dB below rated power (A-weighted, 20 Hz - 20 kHz noise bandwidth) S/N Ratio, referred to 1 W >84 dB (A-weighted, 20 Hz - 20 kHz noise bandwidth) Damping Factor @ 4 Ω >150 / 50 Hz Damping Factor @ 2 Ω >75 / 50 Hz THD+N @ Rated Power <1% @ 2 Ω per Ch. Input Voltage Range @ RCA Inputs 200 mV - 4 V RMS Min.Copper Power / Ground Wire Gauge 4 AWG wire Fuse Rating 50 A (AFS, AGU or MaxiFuse™) Filter Mode(s) Low-Pass or High-Pass Filter Slope(s) 12 dB/octave Filter Frequency Range 50 Hz - 500 Hz Detented, Calibrated Filter Freq. Potentiometers Yes Filter Defeat Function Yes Remote Level Control Optional HD-RLC or MHD-RLC (water-resistant) Remote Level Modes 2 or 4 or All Channels Channel Input Mode Switch Yes (2/4/6 ch.) Pass-Through Preamp Output None Source Channel Selection for PreOuts N/A Height (H) 2.05 in / 52 mm Width (W) 10.23 in / 260 mm Depth (D) 7.09 in / 180 mm Net Weight 5.8 lb / 2.63 kg JL Audio XDM600/6v2 Manual

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XDM-Series Four-Channel Class-D Marine-Grade Amplifier, 100-Watts x Four-Channels @ 2-Ohm or 75-Watts x 4-Channels @ Four-Ohm The ultra-compact XDM400/4 packs a serious full-range punch, generating a whopping 100-watts to each of its four channels into 2-ohms (14.4V, 1% THD). The technology that makes this much power possible in such a compact chassis is our advanced NexD high-speed switching design, which permits full bandwidth Class-D operation with extremely low distortion and remarkable efficiency. Suitable for car or boat installations, the XDM400/4 is built with marine-grade materials and features an exclusive, dual-mode input filter for noise-free performance in boats or cars. Automatic turn-on capability (via signal sensing or DC-offset sensing) is also onboard for easy factory system upgrades. Combine the XDM400/4 with our XDM600/1 monoblock to build a stunning 1000W amplification system to power four satellites and a subwoofer... and fit the whole thing under a seat or deck. Or, use the XDM400/4 by itself to power two satellites, plus a subwoofer.  The XDM400/4 includes a 12dB / octave filter for each channel bank, which can be configured as a low-pass or high-pass filter and offers continuously variable cutoff frequency selection from 50-500Hz. With the addition of an optional HD-RLC or MHD-RLC (water-resistant) remote level controller (each sold separately), you have the ability to adjust the level of all amplifier channels or just the rear channels directly from the driver's seat or cockpit. Finished in a sleek, black powder-coat, all controls are protected beneath a gasketed, removable top cover for easy access. Specifications @ 4 Ω 75 W RMS x 4 @ 14.4V @ 2 Ω 100 W RMS x 4 @ 14.4V Bridged @ 4Ω 200 W RMS x 2 @ 14.4V @ 4 Ω 60 W RMS x 4 @ 12.5V @ 2 Ω 90 W RMS x 4 @ 12.5V Bridged @ 4Ω 180 W RMS x 2 @ 12.5V Frequency Response 12 Hz - 22 kHz (+0, -1dB) S/N Ratio, referred to highest rated power >104 dB below rated power (A-weighted, 20 Hz - 20 kHz noise bandwidth) S/N Ratio, referred to 1 W >84 dB (A-weighted, 20 Hz - 20 kHz noise bandwidth) Damping Factor @ 4 Ω >150 / 50 Hz Damping Factor @ 2 Ω >75 / 50 Hz THD+N @ Rated Power <1% @ 2 Ω per Ch. Input Voltage Range @ RCA Inputs 200 mV - 4 V RMS Min.Copper Power / Ground Wire Gauge 4 AWG wire Fuse Rating 40 A (AFS, AGU or MaxiFuse™) Filter Mode(s) Low-Pass or High-Pass Filter Slope(s) 12 dB/octave Filter Frequency Range 50 Hz - 500 Hz Detented, Calibrated Filter Freq. Potentiometers Yes Filter Defeat Function Yes Remote Level Control Optional HD-RLC or MHD-RLC (water-resistant) Remote Level Modes 2 or All channels Channel Input Mode Switch Yes (2/4 ch.) Pass-Through Preamp Output Buffered Source Channel Selection for PreOuts Yes Filter Mode(s) Low-Pass or High-Pass Filter Slope(s) 12 dB/octave Filter Frequency Range 50 Hz - 500 Hz Detented, Calibrated Filter Freq. Potentiometers Yes Filter Defeat Function Yes Remote Level Control Optional HD-RLC or MHD-RLC (water-resistant) Remote Level Modes 2 or All channels Channel Input Mode Switch Yes (2/4 ch.) Pass-Through Preamp Output Buffered Source Channel Selection for PreOuts Yes JL Audio XDM400/4v2 Manual

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M-Series 4-Channel Class-D Full-Range Marine-Grade Amplifier, 75-Watts x 4-Channel @ 4-Ohm This tiny amplifier packs a serious full-range punch, delivering a staggering 100W to each of its four channels into 2Ω (14.4V, 1% THD). The breakthrough that makes this much power possible in such a small chassis is JL's NexD™ ultra-high-speed switching design, which allows for full bandwidth Class D operation with extremely low distortion and outstanding efficiency. Use the M400/4 in combination with JL's M600/1 monoblock to build a 1000W amplification system to power four satellites and a subwoofer... and fit the whole thing under a seat. Or, use the M400/4 by itself to power two satellites, plus a subwoofer. With M-Series amplifier, the possibilities are endless. The M400/4 includes a 12dB / octave filter for each channel bank, which can be configured as a low-pass or high-pass filter and offers continuously variable cutoff frequency selection from 50-500Hz. With the addition of an HD-RLC remote level control (sold separately), the amplifier's Ch. 1 & 2 level or overall level can be directly controlled from a remote location. This marine amplifier features white and gray powder-coat finishes, a gasketed cover for the controls and stainless steel hardware for durability in the marine environment. Specifications @ 4 Ω 75 W RMS x 4 @ 2 Ω 100 W RMS x 4 Bridged @ 4Ω 200 W RMS x 2 Frequency Response 12 Hz - 22 kHz (+0, -1dB) S/N Ratio, referred to highest rated power >104 dB below rated power (A-weighted, 20 Hz - 20 kHz noise bandwidth) S/N Ratio, referred to 1 W >84 dB (A-weighted, 20 Hz - 20 kHz noise bandwidth) Damping Factor @ 4 Ω >150 / 50 Hz Damping Factor @ 2 Ω >75 / 50 Hz THD+N @ Rated Power <1% @ 2 Ω per Ch. Input Voltage Range @ RCA Inputs 100 mV - 4 V RMS Min.Copper Power / Ground Wire Gauge 4 AWG wire Fuse Rating 40 A (AFS, AGU or MaxiFuse™) Filter Mode(s) Low-Pass or High-Pass Filter Slope(s) 12 dB/octave Filter Frequency Range 50 Hz - 500 Hz Detented, Calibrated Filter Freq. Potentiometers Yes Filter Defeat Function Yes Remote Level Control Optional (HD-RLC) Remote Level Modes 2 or All channels Channel Input Mode Switch Yes (2/4 ch.) Pass-Through Preamp Output Buffered Source Channel Selection for PreOuts Yes JL Audio M400/4 Manual

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MX-Series 4-Channel Marine-Grade Amplifier, 125-Watts x 4ch @ 2-Ohm or 70-Watts x 4ch @ 4-Ohm Engineered specifically for powersports applications, the 4-channel MX500/4 amplifier employs JL's high-speed NexD™ switching design to deliver plenty of clean power, without straining charging systems. Its tiny, cast aluminum chassis is highly resistant to corrosion, with an IPX7 water-resistance rating, making it perfect for motorcycles, ATV’s or other utility vehicles. Generating a solid 70W x 4 into 4 ohms (14.4V, 1% THD), the MX500/4 is fully bridgeable, so it can be used as a 3-channel amplifier, or as a 2-channel amplifier producing a potent 250W x 2 into 4 ohms. Other features include independent front and rear crossovers with selectable full-range, high-pass or low-pass filter controls and a dual-range input section that accepts a wide range of input voltage levels, from line-level all the way to high-power speaker level signals. This amplifier features a black powder-coated finish, a gasketed cover for the controls and stainless steel hardware for durability. Specifications Frequency Response 20 Hz - 20 kHz (+0, -1dB) S/N Ratio, referred to highest rated power >88 dB below rated power (A-weighted, 20 Hz - 20 kHz noise bandwidth) S/N Ratio, referred to 1 W >70.5 dB (A-weighted, 20 Hz - 20 kHz noise bandwidth) Damping Factor @ 4 Ω >92 / 50 Hz Damping Factor @ 2 Ω >43 / 50 Hz THD+N @ Rated Power <1% @ 2 Ω per Ch. Input Voltage Range @ RCA Inputs Switchable from 250 mV - 4 V RMS (Low) to 750 mV - 15 V RMS (High) Min.Copper Power / Ground Wire Gauge 4 AWG wire Fuse Rating 50 A (AFS, AGU or MaxiFuse™) @ 4 Ω 70 W RMS x 4 @ 2 Ω 125 W RMS x 4 Bridged @ 4Ω 250 W RMS x 2 JL Audio MX500/4 Manual

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The KTA-F30W is perfect for when you want to boost your sound system but don’t have the space for a large amplifier. It is compatible with an aftermarket or factory head unit and adds up to 4 times the power over the head unit's original built-in power. The KTA-30FW features Alpine’s exclusive Dynamic Peak Power (DPP) technology which uses a new dynamic power supply design that delivers bursts of power during rigorous musical passages. When the amplifier senses that more power is required, the power supply quickly increases the internal gain level, effectively doubling the power for a significant increase in dynamic range at high music volumes. Specifications Alpine's Class D amplifier circuit w/ Dynamic Peak Power (DPP) 75W RMS x 4 @ 2Ω/4Ω, 14.4V, ≤ 1% THD+N 150W DPP x 4 @ 2Ω/4Ω, 14.4V, ≤ 1% THD+N >85dB S/N (ref. 1W into 4Ω) >0.1% THD (ref. 1W into 4Ω) 20-20kHz Frequency response (+/-1dB) Weather resistant (IP66 rating) OEM-grade connector wire harness Speaker/RCA inputs (selectable, High range=0.5-10V, Low range=0.2-4V) Sound control: Crossovers – Off/HP/LP, Fc=50-400Hz @ -12dB/Oct. (variable); Input gain settings (variable); 2ch/4ch input (selectable) Alpine KTA-30FW Manual

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MX-Series 4-Channel Class-D Marine-Grade Amplifier, 70-Watts x 4ch @ 2-Ohm or 50-Watts x 4ch @ 4-Ohm Engineered specifically for powersports applications, the 4-channel MX280/4 amplifier employs JL's high-speed NexD™ switching design to deliver plenty of clean power, without straining charging systems. Its tiny, cast aluminum chassis is highly resistant to corrosion, with an IPX7 water-resistance rating, making it perfect for motorcycles, ATV’s or other utility vehicles. Generating a solid 50W x 4 into 4 ohms (14.4V, 1% THD), the MX280/4 is fully bridgeable, so it can be used as a 3-channel amplifier, or as a 2-channel amplifier producing a potent 140W x 2 into 4 ohms. Other features include independent front and rear crossovers with selectable full-range, high-pass or low-pass filter controls and a dual-range input section that accepts a wide range of input voltage levels, from line-level all the way to high-power speaker level signals. This amplifier features a black powder-coated finish, a gasketed cover for the controls and stainless steel hardware for durability. Specifications Frequency Response 20 Hz - 20 kHz (+0, -1dB) S/N Ratio, referred to highest rated power >89.5 dB below rated power (A-weighted, 20 Hz - 20 kHz noise bandwidth) S/N Ratio, referred to 1 W >68 dB (A-weighted, 20 Hz - 20 kHz noise bandwidth) Damping Factor @ 4 Ω >60 / 50 Hz Damping Factor @ 2 Ω >30 / 50 Hz THD+N @ Rated Power <1% @ 2 Ω per Ch. Input Voltage Range @ RCA Inputs Switchable from 250 mV - 4 V RMS (Low) to 750 mV - 15 V RMS (High) Min.Copper Power / Ground Wire Gauge 8 AWG wire Fuse Rating 35 A (AFS, AGU or MaxiFuse™) @ 4 Ω 50 W RMS x 4 @ 2 Ω 70 W RMS x 4 Bridged @ 4Ω 140 W RMS x 2 JL Audio MX280/4 Manual

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AM-Series Marine-Grade 4-Channel Amplifier, 100-Watt @ 2-Ohm or 65-Watt @ 4-Ohm The FUSION AM Series marine amplifiers are purpose-built for the marine environment. Boasting some of the most impressive environmental protection available, they deliver performance on the water like never before. With 4 channels and a 500 Watt peak power output, the MS-AM504 will power either a pair of Fusion speakers plus a 10” subwoofer, or up to four pairs of speakers (with 2 speakers in parallel each channel at 2 Ohms), to spread the sound around your vessel. Incorporating heat-tempered and conformal coated PCBs for maximum product life, and gold-plated connectors for improved signal flow, the MS-AM504 reproduces clean and powerful audio with enough power to rock the boat. Features: 500W peak power output to power up to eight speakers Class-AB amplifier – power efficient with less cross-over distortion Conformal coated PCBs – water resistant protection from salt air and moisture FUTRANZ heat sink technology – transfers heat more efficiently and provides more thermal stability with maximum component reliability F.R.A.T (Fusion Regulated Amplifier Technology) – provides enormous power output at low voltage. F.I.S.T (Fusion Intercooled Semi-Conductor Technology) – clamps down internal power switching to rapidly remove heat from all associated semi-conductors 1 year limited Consumer Warranty The Fusion AM Series marine amplifiers are the perfect complement to any Fusion marine stereo system. Product Specifications Amplifier Class Class-AB Frequency Response 5Hz - 38kHz +/- 3dB Peak Power 500 Watts Rated Power (4 Ohms) 65 Watts RMS x 4 @ 14.4V - 4Ω 1% THD Rated Power (2 Ohms) 100 Watts RMS x 4 @ 14.4V - 2Ω 1% THD Rated Power (4 Ohms Bridged) 200 Watts RMS x 2 @ 14.4V - 4Ω Bridged 1% THD Mounting Dimensions Length 366mm [14-7/16"] Depth 229mm [9"] Height 53mm [2-1/16"] Fusion AM504 Manual

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