Quested AP2800-4 Channel Class D Subwoofer Amplifier (2800W/CH at 4Ω)

The Quested AP2800-4 Channel Class D Subwoofer Amplifier (2800W/CH at 4Ω) is a 2RU 19" rackmountable amplifier designed for powering passive subwoofers in recording studios and film production facilities. The amplifier is rated for 2800W per channel at 4Ω and 1400W per channel at 8Ω.

For I/O, the amplifier features balanced 3-pin XLR input connectors with advanced sidechain limiting and 4-pole Speakon outputs for connecting to subwoofers. The amplifier is capable of powering a wide range of subwoofers in a range of professional applications.

Although not essential for the amplifier's operation, the unit is designed to work with Quested's SBC800 800-Watt LFE/Sub-Bass Controller to optimize low frequency response in a recording studio or film production facility. The front panel of the unit features a power switch and gain knobs for channels A, B, C, and D.