4 Channel Stereo Headphone Amplifier for use with all Types of Headphones. Four High Power Stereo Amplifiers. Output Level Control for Each Channel. DC 12v Adaptor IncludedAn affordable headphone distribution amplifier- with four outputs- all with a dedicated volume control. The HA400 contains 4 high power stereo amplifiers that maintain the highest sonic quality even at maximum volume levels. Easy to use and will suit many applications.. Input Impedance: 100 k Ohms Unbalanced Max Input Level: +15dB Output Impedance: 80 Ohms Dimensions: 47 x 57 x 104mm Weight: 0.37Kg
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