Sonodore Headphone Amplifier HPA-1000 for the AKG K-1000 headphone.

This headphone amplifier is developed to expose and complement the unmatched
sonic characteristics of AKG K-1000 headphone.
Tonal balance, optimal transient response and ultimate transparency are the key
parameters for the HPA-1000. This result in a truly stunning sound.

Technical Specifications
Frequency response: 2.3 Hz to 100 kHz (-3dB)
THD+N: 0.001% at 1V 0.006% at 6V (1KHz, into 120Ohm )
Equivalent input noise: 1,1uV (A-weight)
Slew Rate: 25V/uS
Crosstalk: >95dB at 0-10KHz
Maximum output level: 14V
Output impedance: 3 Ohms
Maximum output current: 140mA
Input impedance: 10KOhm
DC offset : < ±10mV
Headphone impedance: >100Ohm.
Input: 3-pin XLR female connector (unbalanced) or RCA (option)
Output: 4-pin XLR female for AKG K1000
Power requirements: 105-120V and 210-240V, 50 to 60 Hz
Power consumption: 7W
Weight: 2 kg
Dimensions(W*H*D): 170mm × 75mm × 190mm