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Category: Amplifier

Parasound Zdac v.2 - Headphone Amplifier with DAC

  • Key Features

    High-Performance Digital to Analog Conversion

    • Integrated DAC
      Converts digital audio signals to high-quality analog, improving clarity and detail when listening through headphones.

    • High-Resolution Audio Support
      Capable of decoding high-resolution PCM audio for enhanced fidelity from digital sources.

    Powerful Headphone Amplification

    • Dedicated Headphone Output Stage
      Provides clean, driven output with ample power for a wide range of headphones, from sensitive IEMs to demanding over-ear models.

    • Low Noise and Low Distortion
      Designed with precision circuitry to minimize background noise and maintain clean audio reproduction.

    Flexible Connectivity

    • Multiple Digital Inputs
      Includes USB, optical, and coaxial digital inputs for connection to computers, digital players, gaming consoles, or TVs.

    • Analog Input Option
      Analog input allows connection to preamps, DAC-less sources, or other line-level devices.

    Adjustable Output Controls

    • Volume Control
      Precise volume adjustment ensures accurate setting and balance for critical listening.

    • Gain Control
      Allows setting the amplification level to match different headphone sensitivities and impedance ranges.

    Build & Design

    • Solid Construction
      Sturdy chassis designed for long-term reliability and stable operation.

    • Compact Form Factor
      Small footprint makes it easy to integrate into desktop and home audio setups without occupying much space.

    Performance & Integration

    • Clean, Detailed Sound
      Accurate audio reproduction with strong dynamics and low coloration.

    • Wide Compatibility
      Works with a broad range of digital sources and headphone types for versatile use.

    • Desktop and Home Use
      Well-suited for computer audio, hi-fi systems, and critical headphone listening scenarios.

Description

Parasound Zdac v.2 – Headphone Amplifier with DAC

Features

  • Analog volume control for RCA and XLR outputs
  • Separate volume control for the headphone Jacks
  • Digital audio connection to LightingTM jack-equipped Apple® devices (USB adapter required)
  • Updated headphone amp with increased gain
  • 1/4″ and 1/8″ 24k gold plated headphone jacks
  • 12V input and output triggers
  • Volume control lock-out switch
  • Premium Analog Devices AD1853 24-bit/192 kHz Digital to Analog Converter IC
  • All 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 bit
  • Optical and Coaxial digital inputs for use with any standard digital connection
  • RCA unbalanced and XLR balanced analog outputs
  • High current headphone output with volume control can drive any headphones from 32 to 600 ohms
  • Oversized 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

 

Specifications

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 %
Unbalanced Variable
2.4 V
Balanced Variable
4.8 V
Unbalanced Fixed
2.2 V
Balanced Fixed
4.4 V
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
Width
8.5″ (220 mm)
Depth
10″ (254 mm)
Height
2″ (51 mm) with feet, 1.75″ (45 mm) without feet
Net
5 lbs (2.3kg)
Shipping
8 lbs (3.7kg)

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