TOPPING A50 III NFCA Headphone Amp

Specifications
Maximum specs (see photos for full specs)
THD+N @1kHz (A-wt): THD @20-20kHz 90kBW: SNR @Max Out 1kHz A-wt: 144dB
Dynamic range @1kHz A-wt: 144dB
Frequency response: 20Hz - 40kHz (±0.1dB) / 10Hz - 100kHz (±0.5dB)

Output level:
Low gain: 21Vpp
Medium gain: 21Vpp
High gain: 21Vpp

AP measured noise level @A-wt
Low gain: Medium gain: High gain:
Actual noise level @A-wt
Low gain: Medium gain: High gain:
Input sensitivity
Low gain: 9.2Vrms
Medium gain: 8Vrms
High gain: 1.9Vrms

Gain
Low gain: -12dB
Medium gain: 0dB
High gain: 11.7dB

Output impedance:
Input impedance
Low gain: 2kΩ
Medium gain: 2kΩ
High gain: 2kΩ

Output power: 3500mW x2 @32Ω THD+NLoad impedance: >8Ω

What's included?
1 * TOPPING A50 III
1 * 15V DC adapter
1 * 6.35 to 3.5mm adapter
1 * Product information card