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TOPPING MX3S Class D Amplifier Infineon Headphone Amplifier DAC Bluetooth aptX Adaptive 2x50W 4 Ohm 24bit 192kHz Black
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Topping MX3S
Class D Amplifier Infineon Headphone Amplifier DAC Bluetooth aptX Adaptive 2x50W 4 Ohm 24bit 192kHz Black
The Topping MX3S is a true swiis army knife of audio, acting as both an amplifier and a headphone amplifier with integrated AKM AK4377 DAC and Bluetooth receiver. An ideal model for a small or medium-sized listening room and capable of a dynamic, precise and faithful reproduction.
MX3S
MX3
THD+N @ 1kHz, A-Weighted (headphone output)
< 0.003% @ 270mW, 32 Ohm
< 0.001% @ 30mW, 300 Ohm
< 0.006% @ 130mW 32 Ohm
SNR @ Max out 1kHz, A-Weighted (headphone output)
115dB
103dB
Gain (headphone output)
2dB(Vrms/FS) @ G=L
14.8dB(Vrms/FS) @ G=H
11.6dB
Noise @ A-Weighted (headphone output)
< 2.0µVrms @ G=L
< 7.0µVrms @ G=H
< 18.0µVrms
Output power (headphone output)
2*700mW @ 32 Ohm, THD+N < 1%
2*400mW @ 64 Ohm, THD+N < 1%
2*100mW @ 300 Ohm THD+N < 1%
2*257mW @ 32 Ohm THD+N < 1%
2*42mW @ 300 Ohm, THD+N < 1%
SNR @ BTL, Max out, 1kHz, A-Weighted (sortie HP)
110dB
91dB
Noise @ BTL, A-Weighted (sortie HP)
< 60µVrms @ G=L
< 100µVrms @ G=H
< 500µVrms
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.
Technical characteristics
| Specifications | |
|---|---|
| Product type | Amplifier Headphone amplifier DAC |
| Inputs | Bluetooth 1* Stereo RCA 1* Coaxial 1* Optical Toslink 1* USB-C |
| Outputs | Stereo speaker output 1* Subwoofer output on mono RCA 1* Jack 3.5mm headphone output |
| Supported sampling rates | PCM up to 24bit 192kHz |
| Supported Bluetooth codecs | AAC, SBC, aptX, aptX-HD, aptX Adaptive |
| Headphone amplifier specifications | |||
|---|---|---|---|
| Input | USB / Optical / Coaxial | AUX | Bluetooth (aptX Adaptive) |
| THD+N @ 1kHz (A-wt) | < 0.003% @ 270mW, 32Ω < 0.001% @ 30mW, 300Ω | < 0.003% @ 270mW, 32Ω < 0.002% @ 30mW, 300Ω | |
| SNR @ max out, 1kHz (A-wt) | 115dB | 127dB | 115dB |
| Dynamic range @ 1kHz (A-wt) | 115dB | 127dB | 115dB |
| Frequency response | 20Hz-20kHz (+0.1dB/-0.3dB) 20Hz-40kHz (+0.1dB/-1.0dB) | 20Hz-20kHz (+0dB/-2dB) | |
| Output level | 3.4Vpp @ G=L 15.6Vpp @ G=H | 10.2Vpp @ G=L 14.4Vpp @ G=H | 3.4Vpp @ G=L 15.6Vpp @ G=H |
| Noise (A-wt) | < 2.0µVrms @ G=L < 7.0µVrms @ G=H | < 2.0µVrms @ G=L < 7.0µVrms @ G=H | < 2.0µVrms @ G=L < 7.0µVrms @ G=H |
| Crosstalk @ 1kHz | -90dB | ||
| Input sensitivity | 0dBFS @ G=L 0dBFs @ G=H | 4.2Vrms @ G=L 1.2Vrms @ G=H | 0dBfS @ G=L 0dBFs @ G=H |
| Gain | 2dB (Vrms/FS) @ G=L 14.8dB (Vrms/FS) @ G=H | -0.2dB @ G=L 12.6dB @ G=H | 2dB (Vrms/FS) @ G=L 14.8dB (Vrms/FS) @ G=H |
| Output impedance | < 0.5Ω | ||
| Output power | 2*700mW @ 32Ω, THD+N < 1% 2*400mW @ 62Ω, THD+N < 1% 2*100mW @ 300Ω, THD+N < 1% | ||
| Load impedance | > 8Ω | ||
| Amplifier specifications | |||
|---|---|---|---|
| Input | USB / Optical / Coaxial | AUX | Bluetooth (aptX Adaptive) |
| THD+N @ 1kHz (A-wt) | < 0.005% @ 5W, 4Ω < 0.004% @ 5mW, 8Ω | ||
| SNR @ max output, 1kHz (A-wt) | 110dB | ||
| Dynamic range @ 1kHz (A-wt) | 110dB | ||
| Frequency response | 20Hz-20kHz (+0.1dB/-0.-dB) 20Hz-40kHz (+0.1dB/-1.5dB) | 20Hz-20kHz (+0dB/-2dB) | |
| Output level | 40Vpp @ 4Ω 44Vpp @ 8Ω | ||
| Noise (A-wt) | < 60µVrms @ G=L < 100µVrms @ G=H | ||
| Crosstalk @ 1kHz | -90dB | ||
| Input sensitivity | -2.0dBFS @ G=L -8.0dBFs @ G=H | 1.0Vrms @ G=L 0.5Vrms @ G=H | -2.0dBfS @ G=L -8.0dBFs @ G=H |
| Gain | 26.5dB (Vrms/FS) @ G=L 32.5dB (Vrms/FS) @ G=H | 24dB @ G=L 30dB @ G=H | 26.5dB (Vrms/FS) @ G=L 32.5dB (Vrms/FS) @ G=H |
| Output impedance | < 0.2Ω | ||
| Output power | 2*62W @ 4Ω, THD+N < 10% 2*50mW @ 4Ω, THD+N < 1% 2*40W @ 8Ω, THD+N < 10% 2*30W @ 8Ω, THD+N < 1% | ||
| Load impedance | 4-8Ω | ||
| General | |
|---|---|
| Supply voltage | 26VDC (power supply included) |
| Dimensions (L*P*H) | 120*165*40mmmm |
| Color | Black |
| Package | 1* Topping MX3S 1* Power adapter 1* Power cable 1* USB cable 1* Remote control 1* Bluetooth antenna |
| Input | USB |
| Input | SPDIF |
| Input | Bluetooth |
| Input | RCA |
| Input | Optical |
| Output | Jack 3.5mm |
| Output | Speaker terminal |
| Output | Subwoofer |
| Color | Black |
| Channel | 2 (Stereo) |
| Channel | 2.1 |
| Class | Class D / T |
| Amplifier chip | N/A |
| Power (W) | 50.0 |
| Remote Control | Yes |
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