Plently of technical reviews online (which also made me buy it), so in short:
- Great item with amazing sound
- Great price
- Great service with fast shipping
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DAC AK4499EX XMOS XU316 Bluetooth 5.1 aptX Adaptive LDAC 32bit 768kHz DSD512 Silver
With the E70 Velvet, Topping offers a new version of the excellent E70 DAC featuring the new AK4499EX high-end digital-to-analog conversion chip from AKM. For the rest, it takes the excellent technical basis of its elder brother, combining a careful design and high-end components for exceptional sound performance with smart and practical features, such as Bluetooth, a 12V trigger or an adaptable output level.
The Topping E70 Velvet embeds within its digital/analog conversion stage the brand new DAC chip from AKM, the AK4499EX, the new flagship of the manufacturer. This converter benefits from a switched resistor architecture using the proprietary VelvetSound technology. It uses the latest high quality conversion technologies to provide the most vivid and realistic sound reproduction possible.
The E70 Velvet uses the excellent I/V conversion circuitry implemented by its big brother. It is designed to ensure low distortion and low noise, while taking up less space. It is here pushed to its limits to allow the DAC to reveal its full potential.
Equipped with a Qualcomm QCC5125 Bluetooth 5.1 receiver chip, the E70 Velvet lets you stream your music remotely directly from your smartphone or tablet. It also supports the high-resolution transmission codecs aptX, aptX HD, aptX Adaptive and LDAC, guaranteeing high-quality playback over Bluetooth. In addition, the E70 Velvet bypasses the conversion stage of the Bluetooth receiver to use the much more powerful AK4499EX DAC in order to provide the most faithful sound reproduction possible.
The USB input of the Topping E70 Velvet is associated with a latest generation XMOS XU316 interface with custom Thesycon driver. This powerful interface supports high resolution audio streams, up to PCM 32bit 768kHz and DSD512, for a very high quality listening.
The E70 Velvet features a 12V trigger with active (trigger output) and passive (trigger input) control. With only a single 3.5mm Jack cable, the E70 Topping can be switched on and off in sync with your other equipment with a 12V trigger interface.
The E70 Velvet provides balanced XLR and single-ended RCA output. The input is selectable and allows to activate only one or both simultaneously. Moreover, Topping offers a smart feature, allowing you to adjust the level of these outputs according to your use and the desired integration. Thus, the level of the XLR output can be changed from 4V to 5V and the RCA output from 2V to 2.5V.
1 | ON-OFF / input selection button |
2 | Screen |
3 | Volume button |
4 | Coaxial input |
5 | Bluetooth antenna connector |
6 | 12V trigger input |
7 | Balanced XLR output |
8 | Single-ended RCA output |
9 | Optical Toslink input |
10 | USB-B input |
11 | 12V trigger output |
12 | Power supply input |
13 | Power button |
Specifications | |
---|---|
Product type | DAC |
Inputs | Bluetooth 5.1 1x USB-B 1x Coaxial 1x Optical Toslink |
Outputs | 1x Single-ended stereo RCA 1x Balanced stereo XLR |
DAC chip | AKM AK4499EX |
Bluetooth reception | QCC5125 |
USB interface | XMOS XU316 |
Supported Bluetooth codecs | AAC SBC aptX aptX HD ptX LL aptX Adaptive LDAC |
Supported sampling rates | USB : PCM up to 32bit 768kHz, Native DSD up to DSD512, DSD DoP up to DSD256 Optical / Coaxial : PCM up to 24bit 192kHz, DSD DoP up to DSD64 |
Measurements | ||
---|---|---|
DAC E70 Velvet parameters (line out / USB input @ 96kHz) | ||
RCA | XLR | |
THD+N (A-Weighted) | < 0.00008% @ 1kHz | < 0.00006% @ 1kHz |
THD @ 90kBw (Non-Weighted) | < 0.0002% @ 20Hz-20kHz | < 0.0002% @ 20Hz-20kHz |
SNR (A-Weighted) | 125dB | 131dB |
Dynamic range @ 1kHz, A-Weighted | 125dB | 131dB |
Frequency response | 20Hz-40kHz (±0.3dB) 20Hz-40kHz (±1.0dB) | 20Hz-40kHz (±0.2dB) 20Hz-40kHz (±0.8dB) |
Output level | 2.1Vrms @ 0dBFS (Mode 4V) 2.5Vrms @ 0dBFS (Mode 5V) | 4.2Vrms @ 0dBFS (Mode 4V) 5Vrms @ 0dBFS (Mode 5V) |
Noise (A-Weighted) | < 1.3µVrms | < 1.3µVrms |
Channel crosstalk | -130dB @ 1kHz | -143dB à 1kHz |
Channel balance | 0.3dB | 0.3dB |
Output impedance | 50Ω | 100Ω |
General | |
---|---|
Color | Silver |
Dimensions (L*P*H) | 200*138*44mm |
Package | 1x Topping E70 1x Remote control 1x USB cable 1x Power cable 1x Bluetooth antenna |
Input | USB |
Input | Optical |
Input | SPDIF |
Input | Bluetooth |
Output | RCA |
Output | XLR |
DAC / ADC Chip | AK4499EX |
Max sampling rate | 768kHz |
Max sampling rate | DSD512 |
Color | Silver |
Networking | No |
Remote Control | Yes |
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