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TOPPING MINI300 Balanced Integrated Amplifier Class D White
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Topping MINI300 Balanced Integrated Amplifier Class D 2x125W 4 Ohm White
The Topping Mini300 is a Class D stereo amplifier delivering 2x125 W into 4Ω in a fully balanced, high-efficiency design. Its 124dB SNR, background noise below 15µV and -106dB crosstalk ensure faithful reproduction of the original sound. Housed in an aluminium chassis and equipped with a 12V trigger, it combines performance, compactness and reliability, with built-in protection against overheating and overload.
Topping Mini300: A balanced Class D amplifier
The Topping Mini300 is a compact stereo amplifier delivering 2x125 W into 4Ω, designed to offer controlled power in a small format. Its Class D topology ensures high energy efficiency and excellent thermal stability, while the fully balanced design guarantees rigorous channel separation and reduced background noise.
The aluminium chassis enhances heat dissipation and protects the internal circuits from electromagnetic interference. A 12V trigger input also facilitates the integration of the Mini300 into an existing music system or home cinema.
Topping Mini300: Outstanding audio performance
The architecture of the Mini300 is based on a selection of low-distortion components, optimised for transparency and precision. The amplifier has a signal-to-noise ratio of 124dB, background noise of less than 15µV and a harmonic distortion rate of < 0.0005%, ensuring faithful reproduction at any volume level.
The -106dB crosstalk ensures clear channel separation, preserving the stereo image and spatial coherence of the recording. This performance reflects an approach focused on neutrality and stability, without sound colouration.
Topping Mini300: Protection and reliability
Designed for long-term use, the Mini300 incorporates several protection circuits against overheating and overcurrent, ensuring stable operation over time, even during prolonged listening at high volumes.
Its combination of performance, compactness and quiet operation makes it an amplifier that is precise, efficient and easy to integrate into a modern hi-fi system.
Technical specifications
| Specifications | |
|---|---|
| Product type | Amplificateur intégré |
| Inputs | 1x Single-ended stereo RCA 1x Balanced stereo Jack 4.4mm |
| Output | Speaker terminal |
| Output power | 2x140W @ 4Ω THD+N<10% 2x125W @ 4Ω THD+N<1% 2x85W @ 8Ω THD+N<10% 2x65W @ 8Ω THD+N<1% |
| Load impedance | 4-8Ω |
| 12V trigger | |
| Single-ended input specifications | |
|---|---|
| Total harmonic distortion more noise (THD+N) | < 0.0006% @ 4Ω 5W < 0.0008% @ 8Ω 5W |
| Signal-to-noise ratio (SNR) | 121dB |
| Dynamic range | 121dB |
| Frequency response | 20Hz-40kHz (±0.3dB) |
| Output level | 65Vpp @ 4Ω 68Vpp @ 8Ω |
| Noise | < 15uVrms |
| Crosstalk | -90dB |
| Input sensitivity | 1.3Vrms |
| Gain | 25dB |
| Channel balance | 0.1dB |
| Balanced input specifications | |
|---|---|
| Total harmonic distortion more noise (THD+N) | < 0.0005% @ 4Ω 5W < 0.0004% @ 8Ω 5W |
| Signal-to-noise ratio (SNR) | 124dB |
| Dynamic range | 124dB |
| Frequency response | 20Hz-40kHz (±0.3dB) |
| Output level | 65Vpp @ 4Ω 68Vpp @ 8Ω |
| Noise | < 15uVrms |
| Crosstalk | -106dB |
| Input sensitivity | 2.6Vrms |
| Gain | 19.2dB |
| Channel balance | 0.1dB |
| General | |
|---|---|
| Power supply voltage | 38V DC |
| Color | White |
| Package | 1x Topping Mini300 1x 38V mains adapter (2-pin GX connector) |
| Input | Jack 4.4mm |
| Input | RCA |
| Output | Speaker terminal |
| Color | White |
| Channel | 2 (Stereo) |
| Class | Class D / T |
| Amplifier chip | N/A |
| Power (W) | 125.0 |
| Remote Control | No |
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