Topping A50s Balanced Headphone Amplifier

 General

• Topping
• NFCA module architecture
• Volume knob
• Gain indicator lights
• Input: RCA
• Outputs: RCA, 4.4 mm, 6.35 mm
• Dimensions: 6.4 x 6.4 x 2.6 in (16.3 x 16.3 x 6.6 cm)
• Weight: 1.75 lbs (0.8 kg)

6.35 mm Jack

• THD+N: As low as 0.00006%
• SNR: 137 dB
• Dynamic range: 138 dB
• Frequency response: 20 Hz – 20 kHz
• Output level: 21 Vpp
• Channel crosstalk: -86 dB
• Input sensitivity: Up to 7.5 Vrms
• Gain: Up to 6 dB
• Output impedance: <0.1 ohms
• Output power: 485 mW x 2 (32 ohm), 52 mW x 2 (300 ohm)
• Load impedance: >8 ohm

4.4 mm Jack

• THD+N: As low as 0.00006%
• SNR: 143 dB
• Dynamic range: 144 dB
• Frequency response: 20 Hz – 20 kHz
• Output level: 42 Vpp
• Channel crosstalk: -128 dB
• Input sensitivity: Up to 7.5 Vrms
• Gain: Up to 12 dB
• Output impedance: <0.2 ohms
• Output power: 1950 mW x 2 (32 ohm), 208 mW x 2 (300 ohm)
• Load impedance: >8 ohms