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Topping Mini300 HiFi Amplifier, Fully Balanced 140W Compact Desktop Stereo Amp, RCA/TRS to Speaker Pura Ampli for E30II E50 D50III E70, Black in Saudi Arabia Topping Mini300 HiFi Amplifier, Fully Balanced 140W Compact Desktop Stereo Amp, RCA/TRS to Speaker Pura Ampli for E30II E50 D50III E70, Black in Saudi Arabia Topping Mini300 HiFi Amplifier, Fully Balanced 140W Compact Desktop Stereo Amp, RCA/TRS to Speaker Pura Ampli for E30II E50 D50III E70, Black in Saudi Arabia Topping Mini300 HiFi Amplifier, Fully Balanced 140W Compact Desktop Stereo Amp, RCA/TRS to Speaker Pura Ampli for E30II E50 D50III E70, Black in Saudi Arabia Topping Mini300 HiFi Amplifier, Fully Balanced 140W Compact Desktop Stereo Amp, RCA/TRS to Speaker Pura Ampli for E30II E50 D50III E70, Black in Saudi Arabia Topping Mini300 HiFi Amplifier, Fully Balanced 140W Compact Desktop Stereo Amp, RCA/TRS to Speaker Pura Ampli for E30II E50 D50III E70, Black in Saudi Arabia Topping Mini300 HiFi Amplifier, Fully Balanced 140W Compact Desktop Stereo Amp, RCA/TRS to Speaker Pura Ampli for E30II E50 D50III E70, Black in Saudi Arabia

Topping Mini300 HiFi Amplifier, Fully Balanced 140W Compact Desktop Stereo Amp, RCA/TRS to Speaker Pura Ampli for E30II E50 D50III E70, Black

SAR 725
Brand
AOSHIDA
Category
Home Theater
Weight
0.7 kg
All electronics ship with US style plugs. You may need a voltage converter or a plug adapter.
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Special Features

  • Compact and Powerful Full-Balanced Class D Amplifier: The TOPPING Mini300 is a compact full-balanced Class D power amplifier, delivering 140W per channel at 4Ω load and maintaining extremely low distortion (THD+N < 0.0005% at 8Ω load and 5W output). Its full-balanced architecture ensures a clean signal path, and the 124dB signal-to-noise ratio provides a clear and stable audio experience, making it ideal for bookshelf speakers in offices or desktop monitoring speakers.
  • High-Power Output for Various Scenarios: The Mini300 delivers 2×140 watts at 4Ω load, perfect for driving high-power passive speakers in desktop audio systems or near-field setups. Its all-aluminum body ensures efficient heat dissipation, with bottom and side vents for stable long-term operation, meeting the demands of Hi-Fi music listening and professional monitoring.
  • Full-Balanced Architecture: The Mini300 amplifier uses a full-balanced D-class circuit with independent amplification paths for eBlackach channel. This design eliminates crosstalk and external noise, achieving a 124 dB signal-to-noise ratio and <15μVrms noise. It provides pure music playback with strong noise resistance and no power hum. The class D circuit offers high power with low distortion and low output impedance for consistently clear and transparent sound.
  • Dual-Line Inputs and 12V Trigger Function: The Mini300 supports balanced (TRS) and unbalanced (RCA) inputs, eliminating the need for extra converters. It also features a 12V trigger input, allowing it to turn on and off in sync with your DAC or preamplifier.

Description

TOPPING Mini300 Amplifier spec

Input: THD+N @1kHz (A-wt)
SE: BAL:
THD+N @No-wt 20kBW
SE: BAL:
SNR @MAX OUT 1kHz (A-wt)
SE: 121dB
BAL: 124dB

Dynamic Range @1kHz (A-wt)
SE: 121dB
BAL: 124dB

Frequency Response
SE: 20Hz-40kHz(±0.3dB)
BAL: 20Hz-40kHz(±0.3dB)

Output Level
SE: 65Vpp @4Ω 68Vpp @8Ω
BAL: 65Vpp @4Ω 68Vpp @8Ω
Noise (A-wt)
SE: BAL: Channel Crosstalk @1kHz
SE: 90.0dB
BAL: 106.0dB
Input sensitivity
SE: 1.3Vrms
BAL: 2.6Vrms
Gain
SE: 25.0dB
BAL: 19.2dB
Channel Balance
SE: 0.1dB
BAL: 0.1dB

Output Power
140W x 2 @4ΩTHD+N125W x 2 @4Ω THD+N85W x 2 @8Ω THD+N65W x 2 @8Ω THD+NLoad Impedance: 4-8Ω
*Note: The above data is the result of the test in TOPPING laboratory under AC220V 50Hz condition.

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