BANDRIDGE Professional Karaoke System DA-2200Karaoke Amplifier features: * Hi-fidelity digital Echo/Reverb processing.* 2 channels power output: 200W + 200W/ at 8 ohm* Wireless remote controller (music volume, microphone volume and key)* 11 steps digital stereo key control.* Automatic and Manual input source select.* Font panel reserves 3 microphones input jacks, and Rear panel reserves 2 microphones input jacks for usage.* Individual microphones Volume/Bass/Mid-range/Treble adjustment.* Echo repeat-length and Delay-time controller.* Individual Music Volume/Bass/Mir-range/Treble and Balance adjustment.* Auto gain control switching to balance themusic inputslevel automatically.* Unique microphone signal jack used for external DSP sound effector.* Remote control jack for external Song ordering system to track selecting.* Auto Video input/output switching.* Dual AC voltage (AC115V/230V) selector.* Advanced low-noise tunnel type headsink blowing system.* Overload and short circuit protecting.* Reserve Pre-out/Sub-out/Rec-out/Music-out for external devices.Specification:Maximum power output: 200W + 200W at 8 ohm.Total Harmonic Distortion: 0.03%Input Jacks (Sensitivity/Impedance): MIC 6mV/3.3K ohm. DVD,TAPE,AUX 300mV/ 47K ohm. BGM 300mV/ 47K ohm.Output Jacks (Level/Impedance): REC OUT 300mV/2.2K ohm. MUSIC OUT 2.5V/2.2K ohm. PRE OUT 2.5V/2.2K ohm. SUB OUT 2.0V/2.2K ohm.Frequence Response: MIC 20Hz - 20KHz. MUSIC 20Hz - 20KHz.Key Control Range 11 steps +/-5tonesVideo Input Jack Sensitivity/Impedance: 1Vp-p/75 ohm.Video Output Jack Level/Impedance: 1Vp-p/75 ohm.Power Consumption: 650W.Dimension: (WxHxD) 430x150x440mm.Net Weight: 30 Lbs.We supply various Karaoke amplifier, Karaoke speaker, Karaoke mixer, Karaoke microphone, andvarious karaoke products for karaoke system. We also offer various amplifier receiver with AM/FMfor Home stereo system. Welcome OEM ODM cooperation.WONDER ELECTRONICS (TAIWAN) COMPANY LTD.