Check the listing for details. Cerwin Vega B54 Bomber Series 4 Channel Digital Amplifier 1200 Watts Max Power. Condition: New. Listed at 289.00 USD. B54- Stealth Bomber Class-D Digital 4 Channel AmplifierDescription:Stealth Bomber series amplifiers have been the staple of the Cerwin-Vega Mobile brand. It’s sleek and compact design makes installation seamless but don’t let its dimensions fool you as Stealth Bomber series amplifiers generate monstrous power output. Updated High-Efficiency Full Range Digital Topology. Ultra Compact High-Density Aluminum Alloy Chassis. Advanced Rollback Power/Thermal Protection. Class D IR Chipset with Direct-FET Power Mosfet Output. Switchable 12dB HP/FLAT/LP Crossovers and VEGA Bass Boost. Remote Turn On Configurator - REM/DC/VOX.Specifications4 Channel Full Range Digital Amplifier80W x 4CH @ 4Ω RMS Power Output150W x 4CH @ 2Ω RMS Power Output300W x 2CH @ 4Ω Bridge RMS Power OutputInput Sensitivity: 0.2-10 VoltCrossover Filter : 40-400Hz, 12dB Per Octave SlopeFrequency Response: 10-33KHzSelectable REM / VOX / DC Turn On ModesSelectable X-Over: LPF / FLAT / HPFSelectable 2CH / 4CH Input ModesDisconnected RCA Input & Speaker Output Harness Kits IncludedDimensions: 8.88” x 4.0” x 1.4” (225.6 x 102 x 36 mm)