Superlux HA4D

Superlux HA4D, Headphone Amplifier, With 4 separately adjustable headphone outputs - 3.5 mm stereo jack, Mute switch per channel, Input: 3.5 mm stereo jack, Gain: 24 dB, Output impedance: 47 Ohm, Frequency response: 10 - 50,000 Hz, Can be operated via USB mains adapter (5 V) or power bank (both not included), Dimensions (W x D x H): 120 x 70 x 30 mm, Weight: 233 g, Colour: Dark grey, Includes 0.5 m mini jack cable ...