Passive DAC-Amp
Item SD-3421
$149.00
A desktop DAC and headphone amplifier with USB and optical input.
Shipping: calculated at delivery
The Passive DAC-Amp converts digital audio from a USB or optical TOSLINK source to analog for headphones or powered speakers. It accepts PCM up to 32-bit / 384 kHz over USB and up to 24-bit / 192 kHz over optical.
The output stage is a discrete class-A headphone amplifier rated for headphones between 16 and 600 ohms. A 6.35 mm headphone jack and a pair of RCA line outputs are on the front and rear panels respectively. Volume is controlled by an aluminum stepped attenuator.
Specifications
| Inputs | USB-B, optical TOSLINK |
|---|---|
| USB resolution | Up to 32-bit / 384 kHz PCM |
| Optical resolution | Up to 24-bit / 192 kHz PCM |
| Headphone output | 6.35 mm TRS, 16--600 ohms |
| Line output | RCA stereo pair |
| Volume control | Stepped aluminum attenuator |
| Dimensions | 15 x 5 x 12 cm (W x H x D) |
| Warranty | 2 years |
Reviews
4.6
88 ratings · 2 written
Drives high-impedance headphones cleanly
I tested with 250-ohm headphones. Quiet background, no audible noise floor at any volume position.
Lev M. · Verified buyer
USB plug is USB-B, not USB-C
I wish this used USB-C. USB-B cables are not common anymore. The unit itself sounds excellent.
bram_c · Verified buyer
