Our take
TOPPING MX3s combines a DAC, headphone amplifier, and power amplifier, offering a versatile audio experience. The sleek design, intuitive interface, and various connectivity options make it a breeze to set up. With support for high-resolution audio with 24-bit/192kHz AKM DAC chip delivers high-fidelity sound and a clean headphone output, the MX3s is a fantastic choice for audio enthusiasts on a budget.
Product details
An efficient Class D amplifier
The amplifier section of the MX3S uses an Infineon Merus Class D chip allowing it to deliver a power of 2x50W under 4Ω with a high efficiency higher than 90%. It also offers a characteristic restitution marked by a beautiful clarity and precision. The MX3S also offers a two-level gain control allowing it to adapt to your listening system.
Bluetooth
In addition to its complete connectivity, the Topping MX3S provides a Bluetooth receiver, allowing a remote broadcast of your music, from a smartphone or a tablet for example. The chip used supports the aptX, aptX HD and aptX Adaptive transmission codecs, promoting quality wireless sound reproduction.
Subwoofer output
With its RCA format subwoofer output, the MX3S can be used to set up a 2.1 audio system. The use of a subwoofer allows you to achieve deep and punchy bass.
Signal detection
The digital inputs of the Topping MX3S have an automatic detection of the input signal. This allows the unit to be turned on automatically when it receives an audio signal and to be turned off if no valid signal is received for one minute.
Built-in equalizer
In order to adapt to your listening and your audio system, the Topping MX3S benefits from a built-in equalizer. It allows you to adjust the bass and treble levels over a range of -10dB to +10dB.
Specs
- Max playback support
- USB: 24-bit/192kHz
- Coax/opt: 24-bit/192kHz
- Bluetooth: AAC, SBC, aptX, aptX HD, aptX Adaptive
- MX3s headphone amplifier specs
- THD+N@1kHz (A-wt)
- USB/OPT/COAX: <0.003% @270mW (300Ω) / <0.001% @30mW (300Ω)
- AUX: <0.003% @270mW (32Ω) / <0.001% @30mW (300Ω)
- Bluetooth (aptX adaptive): <0.003% @270mW (32Ω) / <0.002% @30mW (300Ω)
- SNR @ 1kHz (A-wt)
- USB/OPT/Coax: 115dB
- AUX: 127dB
- Bluetooth: 115dB
- Dynamic range @1kHz (A-wt)
- USB/OPT/Coax: 115dB
- AUX: 127dB
- Bluetooth: 115dB
- Frequency response
- USB/OPT/Coax: 20Hz - 20kHz (+0.1dB/-0.3dB)
- AUX: 20Hz - 20kHz (+0.1dB/-0.1dB)
- Bluetooth: 20Hz - 20kHz
- Output level
- USB/OPT/Coax: 3.4Vpp (low gain) / 15.6Vpp (high gain)
- AUX: 10.2Vpp (low gain) / 14.4Vpp (high gain)
- Bluetooth: 3.4Vpp (low gain) / 15.6Vpp (high gain)
- Noise (A-wt)
- USB/OPT/Coax: <2.0uVrms (low gain) / <7.0uVrms (high gain)
- AUX: <2.0uVrms (low gain) / <7.0uVrms (high gain)
- Bluetooth: <2.0uVrms (low gain) / <7.0uVrms (high gain)
- Channel crosstalk
- USB/OPT/Coax: -90dB
- AUX: -90dB
- Bluetooth: -90dB
- Input sensitivity
- USB/OPT/Coax: 0dBFS (low gain) / 0dBFS (high gain)
- AUX: 4.2Vrms (low gain) / 1.2Vrms (high gain)
- Bluetooth: 0dBFS (low gain) / 0dBFS (high gain)
- Gain
- USB/OPT/Coax: 2dB (low gain) / 14.8dB (high gain)
- AUX: -0.2dB (low gain) / 12.6dB (high gain)
- Bluetooth: 2dB (low gain) / 14.8dB (high gain)
- Output impedance: <0.5Ω
- Output power
- 700mW x2 @32Ω THD+N <1%
- 400mW x2 @64Ω THD+N<1%
- 100mW x2 @300Ω THD+N<1%
- Load impedance: >8Ω
- MX3s power amplifier specs
- THD+N@1kHz (A-wt)
- USB/OPT/COAX: <0.005% @5W (4Ω) / <0.004% @5W (8Ω)
- AUX: <0.005% @5W (4Ω) / <0.004% @5W (8Ω)
- Bluetooth (aptX adaptive): <0.005% @5W (4Ω) / <0.004% @5W (8Ω)
- SNR @ 1kHz (A-wt)
- USB/OPT/Coax: 110dB
- AUX: 110dB
- Bluetooth: 110dB
- Dynamic range @1kHz (A-wt)
- USB/OPT/Coax: 110dB
- AUX: 110dB
- Bluetooth: 110dB
- Frequency response
- USB/OPT/Coax: 20Hz - 20kHz (+0.1dB/-0.5dB)
- AUX: 20Hz - 20kHz (+0.1dB/-01.5dB)
- Bluetooth: 20Hz - 20kHz
- Output level
- USB/OPT/Coax: 40Vpp (4Ω) / 44Vpp (8Ω)
- AUX: 40Vpp (4Ω) / 44Vpp (8Ω)
- Bluetooth: 40Vpp (4Ω) / 44Vpp (8Ω)
- Noise (A-wt)
- USB/OPT/Coax: <60uVrms (low gain) / <100uVrms (high gain)
- AUX: <60uVrms (low gain) / <100uVrms (high gain)
- Bluetooth: <60uVrms (low gain) / <100uVrms (high gain)
- Channel crosstalk
- USB/OPT/Coax: -90dB
- AUX: -90dB
- Bluetooth: -90dB
- Input sensitivity
- USB/OPT/Coax: -2.0dBFS (low gain) / -8dBFS (high gain)
- AUX: 1.0dBFS (low gain) / 0.5dBFS (high gain)
- Bluetooth: -2.0dBFS (low gain) / -8dBFS (high gain)
- Gain
- USB/OPT/Coax: 26.5dB (low gain) / 32.5dB (high gain)
- AUX: 24dB (low gain) / 30dB (high gain)
- Bluetooth: 26.5dB (low gain) / 32.5dB (high gain)
- Output impedance: <0.2Ω
- Output power
- 62W x2 @4Ω THD+N<10%
- 50W x2 @4Ω THD+N<1%
- 40W x2 @8Ω THD+N<1%
- 30W x2 @8Ω THD+N<1%
- Load impedance: 4-8Ω
What’s included
- TOPPING MX3s
- Power adapter
- Power cable
- USB cable
- Remote control
- Bluetooth antenna
- User manual
- Warranty card
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