Compact 4/3/2-channel D Class amplifierCompact size for easy installationLatest full range high performance circuit designSurface mount components technology4 Layers PCB boardBalanced input circuit designAudio precision quality control verificationWhite “ Blam” Logo illuminationTo design these powerful, robust, and compact amplifiers, we have used the latest in D class audio amplifier technology. These amplifiers employ SMD (Surface Mount Device) electronic components, reducing the overall size while still providing high-end audio performance. Thanks to their high efficiency, they will provide the power required to reproduce the full dynamics of your favorite recording, combined with unheard of reliability.BLAM wishes you long hours of enjoyment!> TECHNICAL CHARACTERISTICSLow level input range0.2V / 6VRMS output (4 ohms)120 watts * 4ch RMSRMS output (2 ohms)200 watts * 4ch RMSBridged output (4 ohms)400 watts * 2ch RMSLpf filter70Hz - 250 HzHpf filter70Hz-320 HzSignal to noise ratio95 dBFrequency response20/50 KhzLive boost on 1 and 2 channel500HzBass boost on 3 and 4 channel50 hzRemote bass control for rear channels ProtectionsShort circuit / low impedance / reversal of polarity / heat protectionDimensions (L x l x H)278 x 175 x 51(mm)