Harman Kardon PM-645 Stereo Integrated Amplifier

Power output: 40 watts per channel into 8Ω (stereo)

Frequency response: 0.5Hz to 150kHz

Total harmonic distortion: 0.09%

Damping factor: 65

Input sensitivity: 2.2mV (MM), 135mV (line)

Signal to noise ratio: 80dB (MM), 81dB (line)

Dimensions: 443 x 103 x 351mm

Weight: 6.5kg

Four speakers can be connected

Loudness

Made in Japan