4-Channel Class D Full-Range Amplifier, 70 W x 4 @ 2 Ω / 50 W x 4 @ 4 Ω – 14.4V
Engineered specifically for powersports applications, the 4-channel MX280/4 amplifier employs our 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.
|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™)|