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XDUOO XD05 BAL 2 Portable Balanced DAC Headphone Amplifier
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xDuoo XD05 BAL 2 Portable Balanced DAC Headphone Amplifier 2x ES9038Q2M XMOS Bluetooth 5.0 32bit 768kHz DSD512 Silver
The new xDuoo XD05 BAL 2 portable DAC headphone amplifier is a device capable of delivering excellent performance for a highly enjoyable listening experience. It relies on no less than two ES9038Q2M DAC chips and an XMOS XU316 USB interface for its conversion stage, while its preamplification stage features two OPA1612s. These audiophile components enable it to support sampling rates up to PCM 32Bit 768kHz and native DSD up to DSD512, as well as offering output power up to 1500mW under 32 ohm.
There's also Bluetooth 5.0 functionality, numerous inputs, two headphone outputs (balanced 4.4mm jack and single-ended 6.35mm jack) and a 3.5mm AUX line output. A 5000mAh lithium-ion battery supplies power for up to 12 hours of nomadic listening. XDuoo offers a portable device that can be adapted to a wide range of uses.
xDuoo XD05 BAL 2: 2x DAC ESS9038Q2M + XMOS XU-316
The combo of ESS9038Q2M DAC chips coupled with an XMOS XU-316 USB interface enables the xDuoo XD05 BAL 2 to support high-resolution streams up to PCM 32bit 768kHz and DSD512. The ESS DAC chips also offer an SNR of 120dB.
xDuoo XD05 BAL 2: optimized clock system
Two low-noise crystal oscillators combined with a new CPLD provide a THD+N of just 0.00065% and very low jitter for improved performance.
xDuoo XD05 BAL 2: audiophile architecture
The xDuoo XD05 BAL 2 uses only audiophile components and a balanced architecture.
xDuoo XD05 BAL 2: high output power
The xDuoo XD05 BAL 2's output power of 1500mW under 32 ohm load enables it to drive a large number of headphones available on the market. In fact, it can drive headphones with impedances from 32 to 300 ohm without difficulty.
xDuoo XD05 BAL 2: OPA1612 DIP8
DIP8 mounting of the OPA1612 OPAs means they can be easily replaced to change the texture of the sound to suit the user's taste.
xDuoo XD05 BAL 2: Bluetooth 5.1
Bluetooth 5.1 functionality ensures reliable, stable wireless connectivity, with support for standard SBC and AAC codecs, as well as high-definition codecs aptX, aptX LL, aptX HD and LDAC, making it easy to access streaming platforms via a smartphone.
xDuoo XD05 BAL 2: 5000mAh battery
The xDuoo XD05 BAL 2's 5000mAh battery, which supports rapid charging (3h), provides autonomy from 9h to 24h depending on use, making it the perfect ally for audiophiles on the move.
xDuoo XD05 BAL 2: bass-boost function
If the bass on your headphones isn't powerful enough, you can transform it with two gain settings that boost low frequencies by 3 to 6dB.
xDuoo XD05 BAL 2 overview
| 1 | Single-ended 6.35mm jack headphone output |
| 2 | Balanced 4.4mm jack headphone output |
| 3 | Display |
| 4 | Power on |
| 5 | Turbo function |
| 6 | Bass boost function |
| 7 | Volume control |
| 8 | 3.5mm jack analog input/output jack (AUX) |
| 9 | Operating mode selection |
| 10 | USB-C input |
| 11 | AES/EBU input |
| 12 | USB-C charging port |
| 13 | Coaxial input |
Technical characteristics
| Specifications | |
|---|---|
| Product type | Portable DAC and headphone amplifier |
| DAC chips | 2x ESS9038Q2M |
| AOP | OPA1612 |
| Inputs | 1x USB-C 1x AES 1x Coaxial 1x AUX 3.5mm jack |
| Outputs | 1x Single-ended 6.35mm headphone output 1x Balanced headphone output, 4.4mm jack 1x AUX jack 3.5mm output |
| Supported sample rates | USB: PCM up to 32Bit 768kHz, DSD up to DSD512, MQA AES / Coaxial: PCM up to 24Bit 192kHz, DSD DoP64 |
| Supported bluetooth codecs | SBC, AAC, aptX, aptX LL, aptX HD, LDAC |
| Frequency response | USB / Coaxial: 20Hz-20kHz (+/-0.5dB) Amp: 10Hz-100kHz (+/-5dB) |
| Screen | OLED 0.91" |
| System compatibility | Windows, Linux, Mac OSX IOS, Android |
| Turbo function | +6/15dB |
| Bass function | +6dB |
| Single-ended 6.35mm jack headphone output | |
|---|---|
| Output power | 1500mW @ 32 ohm |
| THD+N | 0.0012% @ 1kHz |
| S/N | 120dB |
| Crosstalk | ≥ 72dB |
| Balanced 4.4mm jack headphone output | |
|---|---|
| Output power | 1500mW @ 32 ohm |
| THD+N | 0.00065% @ 1kHz |
| S/N | 120dB |
| Crosstalk | ≥ 100dB |
| AUX 3.5mm Jack output | |
|---|---|
| Output level | 2Vrms |
| THD+N | 0.0008% @ 1kHz |
| S/N | 120dB |
| Crosstalk | ≥100dB |
| General | |
|---|---|
| Power supply | Via USB-C port |
| Battery | 3.8V/5000mAh |
| Battery life | USB IN: 9h SPDIF IN: 12h Aux IN: 24H |
| Battery charging time | Quick charge: 3h Slow charge: 6h |
| Dimensions | 132 x 75 x 22mm |
| Weight | 300g |
| Package | 1x xDuoo XD05 BAL 2 2x USB-C cable 1x USB-C to Lightning cable 1x USB-A to USB-C adapter 1x AES/EBU cable 1x 6.35mm jack to 3.5mm jack adapter |
| Input | USB |
| Input | SPDIF |
| Input | AES/EBU |
| Input | Jack 3.5mm |
| Input | Bluetooth |
| Output | Jack 4.4mm |
| Output | Jack 6.35mm |
| Output | Jack 3.5mm |
| DAC / ADC Chip | ES9038Q2M |
| Max sampling rate | DSD512 |
| Max sampling rate | MQA |
| Max sampling rate | 768kHz |
| Color | Silver |
| Class | N/A |
| Networking | No |
| Remote Control | No |
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