For Cayin HA-1A headphones

Weight: 7 kg
Depth: 300 mm
Brand: Cayin
Description: Type: headphone amplifier, standard: stereo, front channels power: 2.20 W/channel, circuitry: class A, tube, connectors and interfaces: audio line stereo input, Preamp output, audio line stereo output, output to
Transformer type: Toroidal
Width: 130
Height: 230
Power consumption: 60 W
Type: Headphone Amplifier
Harmonic coefficient: 1 %
Signal to noise ratio: 88 dB
Connectors and interfaces: Stereo audio line in, preamp out, stereo line out audio, headphone out
Standard: Stereo
Number of channels: 2
Power: 22 W/channel
Phono stage: No
Connectors on the front panel: Headphone output
Lin sensitivity. entrance: 320 mV
Input impedance lin. entrance: 22 kOhm
Maximum playback frequency: 30000 Hz
Minimum repeatable frequency: 2.5 Hz
Recommended load resistance max.: 300 ohm
Recommended load resistance min.: 6 ohm
Circuit design: Class A, lamp