DAC3
Compact USB-C DAC and headphone amplifier built around an ESS ES9281A PRO converter. It suits listeners who want better sound from a phone, tablet or computer, through wired headphones or powered speakers.
- ESS ES9281A PRO 32-bit DAC
- LME49726 headphone amp, 2.0 V RMS output
- Drives headphones from 12 ohms upward
- Supports MQA, PCM and DSD
- USB-C bus powered, no driver needed
- Lightning to USB-C cable included
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The DAC3 converts digital audio from a USB source into analog sound using an ESS ES9281A PRO DAC with 32-bit processing. A headphone amplifier based on the LME49726 op-amp drives wired headphones from 12 ohms upward and gives a 2.0 V RMS output. The stereo output is relay-controlled and can also feed any analog input, such as powered speakers.
The unit is bus-powered over USB-C at 200 mA, with two-stage regulation to keep USB power variations out of the audio path. It needs no battery, firmware update or driver. A side-panel control sets the volume for both the headphone and line outputs. A sample rate indicator light shows the rate the operating system is set to. The converter handles MQA, PCM and DSD, with native playback from 44.1 kHz to 96 kHz and 192 kHz material re-sampled to 96 kHz.
It connects by USB-C to phones, tablets and computers, with a Lightning to USB-C cable included for iPhone and iPad. Android 5.0 or later devices that act as a USB-C host also work. Output is a 3.5 mm stereo mini-jack.
Video
Tehnilised andmed
- Bränd
- Audioengine
- Mudel
- DAC3
- Kategooria
- Kõrvaklapid
Inputs
- DAC type
- USB
- Input
- USB audio
- USB connector
- USB Type C
- USB transfer mode
- Asynchronous dual clock
- USB device class
- Type 1.1 or above
Outputs
- Output
- Analog 3.5mm mini-jack stereo
- Full-scale output level
- 2.0V RMS
- Output impedance
- 2 ohms
- Recommended headphone impedance range
- 12 ohms to 10K ohms
Audio
- D/A converter
- ESS ES9281A PRO
- Headphone amplifier
- LME49726
- Input bit depth
- 32 bit
- Input sample rate
- 44.1kHz-96kHz native playback; 188.2kHz & 192kHz re-sampled to 96kHz
- Supported formats
- MQA, PCM, DSD
- Frequency response
- 10Hz-25KHz (+/- 0.5dB)
- SNR
- >116dB
- THD+N
- (1kHz FS 96kS/s) <0.002%
- Crosstalk
- -110dB
Power
- Power requirement
- USB 5V DC, 200mA
- USB power filtering
- 2-stage redundant regulation
Physical
- Product dimensions
- 1.9” (48mm) ×0.6” (15mm) ×0.375" (10MM)
- Shipping weight
- 1.0lbs (0.5kg)
- Operating temperature
- 32 to 95 degrees F
- Non-operating temperature
- -4 to 113 degrees F
- Relative humidity
- 5% to 95% non-condensing
In the box
- DAC3 Mobile Headphone Amplifier & DAC
- 1
- USB-C cable
- 1
- Lightning to USB-C cable
- 1
- Setup guide
- 1