TOPPING MX3s Class D Amplifier + Desktop DAC & Headphone Amplifier

The MX3s features an AKM DAC equipped with a Qualcomm Bluetooth chip,the QCC3040, providing exceptional USB, optical, coaxial, and Bluetooth input capabilities. This allows for easy connection of various audio sources, such as computers, set-top boxes, DVD players, smartphones, and tablets, making it incredibly versatile.

The MX3s supports Bluetooth protocols such as AAC, SBC, aptX, aptX-HD, and aptX Adaptive, achieving transmission distortion below 0.001%. It brings you an exceptional audio experience.

• 62W x 2 Class D speaker output
• 700mW x 2 headphone amp
• 24-bit/192kHz AKM DAC chip
• Bluetooth support
• Bass & treble EQ
• Subwoofer out
• Remote control 

Specifications

• 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 specifications
  • 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 

List of items included

• TOPPING MX3s
• Power adapter
• Power cable
• USB cable
• Remote control
• Bluetooth antenna
• User manual
• Warranty card