The XM-GS100's efficient Class-D mono block design, compact chassis size and single sided connections provide multiple mounting options while maximizing output and control for your audio system. The XM-GS100 delivers 330 watts RMS power at 4 ohm with 14.4 volts, from 20 Hz - 200 Hz with less than 1% THD+N. This unit has a maximum output power of 600 mono at 4 ohm. The Active Thermal Control regulates the units operating temperature for stable, long-term playback at high volume levels. Dynamic Distortion Suppressor reduces distortion that occurs at higher playback levels for clear bass reproduction. As well as traditional RCA inputs, the XM-GS100 offers direct connections (High Level Input) to the speaker output of your car audio unit if it is not equipped with RCA line outputs. The auto sensing, high level input feature also allows the amplifier to be powered up without the need for remote power turn on connections.
The Sony® GS-400 Class-D subwoofer amplifier affords incredible installation flexibility thanks to its compact size and packs quite a punch. GS series amplifiers offer tremendous value including convenience features such as: modern cosmetics, variable cross-overs, multiple channel configurations and singe-side electrical connections to suit almost any application. The XM-GS400's 4/3/2 channel configurable output, compact chassis size and single sided connections provide multiple mounting options while maximizing output and control for your audio system. The XM-GS400 has a removable top panel that conceals indepentent front and rear 12 dB/ octave variable HPF (High Pass filter) and LPF (Low-Pass filter) crossovers at 50-300Hz. This unit also provides independent front and rear 12 dB/octave sub-sonic HPF (High-Pass filter) crossovers, variable at 6-70Hz to maximize your systems potential. This amplifier also offers independent, variable 0-10 dB 40 Hz bass boost circuit to increase low frequency response.