The Topping Mini 300 seamlessly adapts to your setup with balanced TRS and unbalanced RCA inputs, ensuring compatibility with a wide range of DACs, preamps and professional sources, without the need for adapters. The Topping Mini 300 features intelligent protection against overheating, overcurrent and excessive volume.
With ultra-low noise, excellent channel separation and a robust amplification structure, the Topping Mini 300 delivers a neutral, distortion-free presentation that respects the original recording. Expect sound that is powerful and clear.
Specifications:
Entrance: SE / BAL
THD+N @1kHz (A-wt): <0.0006% (SE) / <0.0005% (BAL) @4Ω 5W
THD+N @No-wt 20kBW: <0.0010% @4Ω 5W
SNR @MAX OUT 1kHz (A-wt): 121dB (SE) / 124dB (BAL)
Dynamic range @1kHz (A-wt): 121dB (SE) / 124dB (BAL)
Frequency response: 20Hz–40kHz (±0.3dB)
Output level: 65Vpp @4Ω / 68Vpp @8Ω
Noise (A-wt): <15μVrms
Crosstalk @1kHz: -90dB (SE) / -106dB (BAL)
Input sensitivity: 1.3Vrms (SE) / 2.6Vrms (BAL)
Gain: 25.0dB (SE) / 19.2dB (BAL)
Channel balance: 0.1dB
Load impedance: 4–8Ω
Output power:
140W × 2 @4Ω (THD+N <10%)
125W × 2 @4Ω (THD+N <1%)
85W × 2 @8Ω (THD+N <10%)
65W × 2 @8Ω (THD+N <1%)
Dimensions: 6.5 × 5.1 × 1.6 in (16.6 × 12.9 × 4.1 cm)
Power supply: DC 38V








