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DAC 2x ES9068AS NFCA Headphone Amplifier XMOS Bluetooth 32bit 768kHz DSD512 MQA Silver
Topping unveils its DX5, a DAC and headphone amplifier combo benefiting from both an exceptional conception and a resolutely modern design. At its heart is a digital to analog conversion stage carried by a pair of ESS ES9068ES DACs but also an excellent headphone amplifier section based on an NFCA circuit.
The digital / analog conversion stage, entrusted to two ESS ES9068AS DAC chips, allows a sound reproduction of an incredible clarity and precision with a THD+N of only 0.00009%, a dynamic range of 128dB and a noise level below 2µVrms.
The USB input of the DX5 uses an XMOS XU216 interface. This interface offers a wide compatibility with the vast majority of devices but also allows the support of high sampling rates, up to PCM 32bit 768kHz, native DSD512 as well as MQA decoding.
The Topping DX5 supports the decoding and rendering of MQA (Master Quality Authenticated) files. This technology allows to enjoy high quality audio streams, as close as possible to the original studio recording.
The DX5 benefits from the Hi-Res Audio Wireless certification thanks to the integration of a QCC5125 Bluetooth receiver chip supporting transmission codecs capable of high definition transmission. It is thus compatible with the aptX, aptX HD, aptX LL and LDAC protocols, as well as with the SBC and AAC standards. Moreover, the signal received by the Bluetooth chip is decoded by the pair of DAC ES9068AS, much more powerful than the DAC integrated in the Bluetooth receiver.
The NFCA headphone amplifier circuit of the DX5 is fully optimized specifically for this model, ensuring very low noise and distortion. It is also capable of supporting both high-sensitivity headphones and high-impedance headphones, with a power of 2x1800mW at 32Ω or 2x250mW at 300Ω. The DX5 also offers a gain control (0dB or 12dB) for even more versatility.
Output channel | Display | Headphone output | RCA output | XLR output | Volume control | |
AMP | PO, Vol | |||||
AMP + Line out | P+L, Vol | |||||
Line out | DAC | RCA, DAC | ||||
XLR, DAC | ||||||
X+R, DAC | ||||||
Pre | RCA, Vol | |||||
XLR, Vol | ||||||
X+R, Vol |
1 | XLR 4 pins balanced headphone output |
2 | IR Receiver |
3 | Multi-function button |
4 | Jack 6.35mm single-ended headphone output |
5 | OLED Display |
6 | Right channel XLR balanced output |
7 | Left channel XLR balanced output |
8 | Left channel RCA single-ended output |
9 | Bluetooth antenna connector |
10 | Coaxial input |
11 | Power input |
12 | Right channel RCA single-ended output |
13 | USB-B input |
14 | Optical input |
15 | Power button |
" We expect perfection from Topping and we almost get that in DX5. ESS IMD Hump and Toslink jitter are the only two areas of note but neither is an obstacle to superb performance. Delivering forth highest SINAD ever measured (out of nearly 400 DACs) is a major accomplishment. "
Specifications | |
---|---|
Product type | DAC |
Inputs | Bluetooth 5.0 1x USB-B 1x Coaxial 1x Optical Toslink |
Outputs | 1x Balanced stereo XLR line output 1x Single-ended stereo RCA line output 1x Balanced XLR 4 pins headphone output 1x Single ended Jack 6.35mm headphone output |
DAC Chip | 2x ESS ES9068AS |
USB Interface | XMOS XU216 |
Headphone amplification circuit | NFCA |
Supported Bluetooth codecs | AAC, SBC, aptX, aptX LL, aptX HD, LDAC |
Supported sampling rates | USB : PCM up to 32bit 768kHz DSD up to DSD512 MQA |
Decoding parameters (Line out/ USB In @ 96kHz) | ||
---|---|---|
Parameter | RCA | XLR |
THD+N @ 1kHz, A-Weighting | < 0.0001% | < 0.00009% |
THD @ 20Hz-20kHz, 90kBw | < 0.0005% | < 0.0002% |
SNR @ 1kHz, A-Weighting | 125dB | 128dB |
Dynamic range @ 1kHz, A-Weighting | 125dB | 128dB |
Frequency response | 20Hz-20kHz (±0.1dB) 20Hz-40kHz (±0.3dB) | 20Hz-20kHz (±0.1dB) 20Hz-40kHz (±0.3dB) |
Output level | 2.1Vrms @ 0dBFS | 4.2Vrms @ 0dBFS |
Noise @ A-Weighting | < 1.5µVrms | < 2µVrms |
Dynamic range @ 1kHz, A-Weighting | 125dB | 128dB |
Crosstalk | -130dB @ 1kHz | -140dB @ 1kHz |
Channel balance | 0.3dB | 0.3dB |
Output impedance | 50Ω | 50Ω |
Headphone amplifier specifications (USB input @ 96kHz) | ||
---|---|---|
Parameter | Jack 6.35mm (single-ended) | XLR 4 pins (balanced) |
THD+N @ 1kHz, A-Weighting | < 0.0001% @ 145mW, 32Ω < 0.00009% @ 15mW, 300Ω | < 0.0001% @ 145mW, 32Ω < 0.00009% @ 15mW, 300Ω |
THD @ 20Hz-20kHz, 90kBw | < 0.0005% @ 145mW, 32Ω < 0.0002% @ 15mW, 300Ω | < 0.0005% @ 145mW, 32Ω < 0.0003% @ 15mW, 300Ω |
SNR @ Max output level, 1kHz, A-Weighting | 125dB @ 1kHz | 125dB @ 1kHz |
Dynamic range @ 1kHz, A-Weighting | 125dB @ 1kHz | 125dB @ 1kHz |
Frequency response | 20Hz-20kHz (±0.1dB) 20Hz-40kHz (±0.3dB) | 20Hz-20kHz (±0.1dB) 20Hz-40kHz (±0.3dB) |
Output level | 6Vpp @ G=L 25Vpp @ G=H | 6Vpp @ G=L 25Vpp @ G=H |
Noise @ A-Weighting | < 1.7µVrms @ G=L < 5.5µVrms @ G=H | < 1.7µVrms @ G=L < 5.5µVrms @ G=H |
Crosstalk | -114dB @ 1kHz | -114dB @ 1kHz |
Gain | G=L 6.7dB (Vrms/FS) G=H 19dB (Vrms/FS) | G=L 6.7dB (Vrms/FS) G=H 19dB (Vrms/FS) |
Channel balance | 0.3dB | 0.3dB |
Output impedance | < 0.1Ω | < 0.1Ω |
Output power | 2x 1800mW @ 32Ω, THD+N < 1% 2x 1000mW @ 64Ω, THD+N < 1% 2x 250mW @ 300Ω, THD+N < 1% | 2x 1800mW @ 32Ω, THD+N < 1% 2x 1000mW @ 64Ω, THD+N < 1% 2x 250mW @ 300Ω, THD+N < 1% |
Load impedance | > 8Ω | > 8Ω |
General | |
---|---|
Dimensions | 180 x 148 x 45mm |
Color | Silver |
Package | 1x Topping DX5 1x Remote control 1x USB Cable 1x Jack 6.35mm to Jack 3.5mm adapter 1x Bluetooth antenna 1x Power cable |
Input | USB |
Input | Optical |
Input | SPDIF |
Input | Bluetooth |
Output | RCA |
Output | Jack 6.35mm |
Output | XLR |
DAC / ADC Chip | ES9068AS |
Max sampling rate | 768kHz |
Max sampling rate | DSD512 |
Max sampling rate | MQA |
Color | Silver |
Class | Class D / T |
Networking | No |
Remote Control | Yes |