Topping DX3Pro + Decode Headphone Amplifier
Features:
The DX3 Pro + provides two gains, +6dB and +19dB which greatly expand the range of earphones.
External high performance digital broadcast/mobile/tablet decoder
Headphone Amplifier/Preamp, Total 4 Output Modes
Connect Bluetooth to DX3Pro + and connect the amplifier, active speaker, or earphone to the output, it becomes a Bluetooth amplifier/Bluetooth decoder.
The DX3 Pro + has a simple preamp function that can be used to adjust the volume.
When you set the DX3 Pro + output to DAC output mode, the screen will show the current sampling rate and the volume remains 2rms output.
Specifications
Size:12*16.5*4cm
DC Power Supply: DC 15V/1A
Color: Black/Silver
USB Input:
PCM 44.1kHz-768 kHz / 16-bit - 32-bit
DSD64-DSD512 (Native), DSD64-DSD256(DOP)
OPT / COAX IN: 44.1 kHz-192 kHz / 16 bit - 24 bit
BT IN: AAC / SBC / APTX / APTX-LL / APTX-HD / LDAC
DX3 Pro + Decoding Parameter (USB Input @ 96kHz)
THD + N @ 1kHz(A-wt):<0.00015%
THD @ 20-20kHz(90kBW): <0.00020%
SNR @ 1kHz(A-wt): 122dB
Dynamic Range @ 1 kHz(A-wt): 122dB
Frequency response: 20Hz-20kHz(±0.3dB)
Frequency response: 20Hz-40kHz(±0.7dB)
Output Level: <2.1Vrms @ 0dBFS
Noise (A-wt): <1.8uVrms
Channel Crosstalk @ 1kHz:-137dB
Channel Balance: 0.3 dB
Output Impedance: 20Ω
DX3 Pro + Headphone Amplifier Specifications
THD + N @ 1kHz(A-wt):
<0.00015%@ Output = 1500mW (32Ω)
<0.00013%@ Output = 160mW (300Ω)
THD @ 20-20kHz(90kBW):
<0.0005%@ Output = 1500mW (32Ω)
<0.0005%@ Output = 160mW (300Ω)
SNR @ MAX OUT 1kHz(A-wt): 120dB
Dynamic Range @ 1kHz(A-wt): 120dB
Frequency response: 20Hz-20kHz(±0.3dB)
Frequency response: 20Hz-40kHz(±0.7dB)
Output Level: 5.5Vpp @ G = L; 21.5Vpp @ G = H
Noise (A-wt): <2.1uVrms @ G = L; <7.0 uVrms @ G = L
Channel Crosstalk @ 1kHz:-90dB
Gain: 6.0dB(Vrms / FS)@G = L; 19dB(Vrms / FS)@ G = L
Output Impedance: <0.1Ω
Output Power:
1800mW X 2 @32ΩTHD+ N <0.1%
900mW X 2 @64ΩTHD+ N <0.1%
250mW X 2 @300ΩTHD+ N <0.1%
Adapter Impedance: >8Ω
Included Accessories:
1 X DX3Pro +
1 X DC15V/1A Power Adapter
1 x Remote Control
1 x USB cable
1 x Bluetooth Antenna
1 x User Manual
1 x Warranty Card