Specification: Condition: 100% Brand New _x000D_Item Type: Audio Mixer_x000D_Material: Iron_x000D_Color: As Pictures Shown _x000D_Weight: Approx. 753g/26.6oz_x000D_Model: Q48_x000D_Reverb Effect: Reverb 12ms-200ms_x000D_Output Voltage: 4V Maximum_x000D_Signal to Noise Ratio:> 85dB_x000D_Distortion: 0.03% (1KHz Full Power)_x000D_Frequency Response: 20Hz?20KHz3dB_x000D_Charging Power: 5V / 2A_x000D_Input Sensitivity_x000D_Mic: -36dB_x000D_Line: -10dB_x000D_Eff Ret: -12dB_x000D_Recording Input: -26db_x000D_Battery: 1200mAh18650 Battery Features: 1Excellent sound quality, high clearance circuits provide additional dynamic range and ultra?low noise to bring the best performance to your studio microphone. 28 channel signal input (convertible 4 stereo input), only A channel is mono channel, channel simultaneous access is stereo input. 3Independent reverberation effect selection switch for each stereo channel (usually microphone is on, instrument is off). 4Compact and powerful mixer is suitable for studio, podcasting or live situations. 5Made of high quality iron material, durable, lightweight and easy to carry. PackageList: 1 x_x000D__x000D_Audio Mixer 1 x Manual 1 x Data Cable