Topping DX3 Pro+ DAC & Headphone Amplifier

• Bluetooth 5.0: Qualcomm’s QCC5125 Chip
• Decoding Chip: ES9038Q2M
• USB In
• PCM: 44.1kHz-768kHz / 16bit-32bit
• DSD (Native): DSD64-DSD512
• DSD (DoP): DSD64-DSD256
• COAX / OPT in
• PCM: 44.1kHz-192kHz / 16bit-24bit
• DSD (Native): Not Supported
• DSD (DoP): DSD64
• Bluetooth In
• PCM: AAX, SBC, aptX, aptX LL, aptX HD, LDAC
• DSD (Native): Not Supported
• DSD (DoP): Not Supported
• THD+N @1kHz (A-wt): <0.00015%
• THD @20-200kHz (90kBW): <0.00020%
• SNR: 122dB
• DNR: 122dB
• Frequency response 
• 20Hz-20kHz (±0.3dB)
• 20Hz-40kHz (±0.7dB)
• Output level: 2.1Vrms @0dBFS
• Noise (A-wt): <1.8uVrms
• Channel crosstalk @1kHz: -137dB
• Channel balance: 0.3dB
• Output impedance: 20Ω

DX3 Pro+ Headphone Amplifier Specs

• THD+N @1kHz (A-wt)
• <0.00015% @Output=1500mW (32Ω)
• <0.00013% @Output=160mW (300Ω)
• THD @20-200kHz (90kBW)
• <0.0005% @Output=1500mW (32Ω)
• <0.0005% @Output=160mW (300Ω)
• SNR: 120dB
• DNR: 120dB
• Frequency response 
• 20Hz-20kHz (±0.3dB)
• 20Hz-40kHz (±0.7dB)
• Output level
• 5.5Vpp @G=L
• 21.5Vpp @G=H
• Noise (A-wt) 
• <2.1uVrms @G=L
• <7.0uVrms @G=H
• Channel crosstalk @1kHz: -90dB
• Gain
• 6dB (Vrms/FS) @G=L
• 19dB (Vrms/FS) @G=H
• Output impedance: <0.1Ω
• Output power
• 1800mW x2 @32Ω THD+N <0.1%
• 900mW x2 @64Ω THD+N <0.1% 
• 250mW x2 @300Ω THD+N <0.1%
• Adapter impedance: >8Ω 
• Dimensions: 6.5” x 4.7” x 1.5” (16.5 x 12 x 4 cm)

TOPPING designs and manufactures products that aim to deliver performance beyond customer expectations. If the product develops a manufacturing defect within the warranty period, please contact Gears For Ears. Please make sure that the issue with your product is eligible for warranty claim.

Please be advised that Gears For Ears is not authorized to handle the warranty claims for the purchases that are made outside Bangladesh.

TOPPING's Warranty Period is 1 Year from the Date of Invoice for all products.

Eligibility for warranty

• Manufacturing Defects

• Channel imbalance

• Crackling Sound

• Any other manufacturing defect

Non- eligible for warranty

Physical Damages