Parasound Zdac V.2 - 2 Channel Preamp headphone amp RCA XLR USB Digital

 

Analog volume control for RCA and XLR outputs separate volume control for the headphone JacksDigital audio connection to Lighting^TM jack-equipped Apple® devices (USB adapter required)Updated headphone amp with increased gain1/4" and 1/8" 24k gold plated headphone jacks12V input and output triggersVolume control lockout switchPremium Analog Devices AD1853 24-bit/192 kHz Digital to Analog Converter ICAll inputs feature jitter reduction and are re-clocked and up-sampled to 422 kHz / 24 bit USB input for playing music from PC or Mac (driver-less for easy setup)Asynchronous sample rate conversion for all inputs including the USB input works with any format file on your computer up to 96 kHz / 24 bitOptical and Coaxial digital inputs for use with any standard digital connection RCA unbalanced and XLR balanced analog outputsHigh current headphone output with volume control can drive any headphones from 32 to 600 ohmsOversized internal toroid power transformer (not a wall wart like many competitors)Will always power back up to the same input in the event of an AC power outage

 

 

Supports Incoming Digital Word Lengths:
16 bit - 24 bit

Supports Incoming Digital Sampling Frequencies:

Opt & Coax: 8 kHz, 11.025 kHz, 16 kHz, 32 kHz, 44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz, 176.4 kHz, 192 kHz.

USB: 44.1 kHz, 48 kHz, 88.2 kHz and 96 kHz

Upsampling Frequency:
422 kHz / 24 bit (all inputs)

USB Streaming Controller:
Texas Instruments TAS1020B

Sample Rate Converter:
Analog Devices AD1895

D to A Converter:
Analog Devices AD1853

Headphone Amplifier:
Texas Instruments TPA6120

Frequency Response:
20 Hz to 20 kHz ±0.2 dB

Channel Balance:
< 0.05 dB, 20 Hz - 20 kHz

Channel Separation:
> 95 dB, 20 Hz - 20 kHz

Signal to Noise Ratio:
110 dB, A-weighted

THD + Noise:
< 0.015 %

Audio Output Level, RMS (maximum):
Unbalanced Variable: 2.4 V
Balanced Variable: 4.8 V
Unbalanced Fixed: 2.2 V
Balanced Fixed: 4.4 V

Output Impedance:

Line out: 160 ohms, unbalanced or balanced
Headphone out: 10 ohms

AC Power Requirement:
110-130 VAC 60 Hz or
220-240 VAC 50 Hz (voltage is selected on the chassis bottom)
Operating: 10 watts
Standby: < 1 watt

Dimensions:
Width: 8.5" (220 mm)
Depth: 10" (254 mm)
Height: 2" (51 mm) with feet, 1.75" (45 mm) without feet

Weight:
Net: 5 lbs (2.3kg)
Shipping: 8 lbs (3.7kg)