Epiphany Acoustics
Epiphany Acoustics EHP-O2Di Dac & Headphone Amplifier

Epiphany Acoustics
EHP-O2Di Dac & Headphone Amplifier

  • The EHP-O2Di combines the award winning headphone amplification technology of the EHP-O2 and the critically acclaimed 24 Bit USB DAC from the E-DAC in one small desktop enclosure.
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Stock Code: SC-000-EA

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Manufacturer: Epiphany Acoustics

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Product information:

EHP-O2Di Dac & Headphone Amplifier

The EHP-O2Di combines the award winning headphone amplification technology of the EHP-O2 and the critically acclaimed 24 Bit USB DAC from the E-DAC in one small desktop enclosure - perfect for your home head-fi needs as well as offering the functionality to slot into an exisiting home hi-fi set up.

Taking the bit perfect digital signal from USB or the analogue signal from your chosen source component, the EHP-O2Di offers premium quality and flexibility in a home environment.

The headphone amplifier section has been designed from the ground up to offer some of the best, if not the best, specifications and hi-fi functionality on the market today. This has been accomplished by months of development using top of the range audio testing equipment to fine tune and carefully select the most optimum design, layout and components. The specifications achieved speak for themselves. It is powered by the included AC adapter suitable for your region.

The DAC module is designed according to the same principles as the award EHP-O2 portable headphone amplifier and sports equally stunning performance.

This high end DAC is based on the TE7022L UAC1 engine and ES9023 24 bit DAC chip. It supports 16 bit and 24 bit at sample rates of 44.1kHz, 48kHz and 96kHz. The on-board filtered power supply ensures that noise is practically non-existent. The DAC is not clocked by the USB port/computer, instead using a high quality on board crystal controlled oscillator which further improves overall performance. The input signal and power is supplied via the USB input on the rear of the unit.

USB digital input.
RCA analogue line out from DAC, allowing you to connect the DAC output to an external amplifier.
RCA analogue line in, allowing you to connect analogue sources to the headphone amplifier section.

Technical Specifications (Headphone Amplifier):
- THD @ 1kHz: 0.0017%
- Noise level (ref 400mV): -105dB
- Power output @ 33O : 641mW
- Crosstalk: 65dB
- Channel balance: 0.6dB
- Output impedance: 0.5 Ohms
- Dimensions (W x H x L): 108.5mm x 30mm x 82mm
- Gain: 1x and 5x

Technical Specifications (DAC):
- Distortion: <0.005%
- Dynamic range: >110dB A-Weighted
- Audio formats: 44.1kHz, 48kHz & 96kHz @ both 16 bit and 24 bit
- Interface: USB Audio Class 1
- Computer compatibility: Windows, Mac, Linux
- Line output: 2Vrms

Included Accesories
- AC Adapter
- 1m USB A to USB mini cable
- 1.2m mini jack interconnect
- 4 x self adhesive rubber feet

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Average customer rating

(from 2 customer reviews)
All Time (2)

Excellent little DAC+amp combo

Had nothing but trouble with my last soundcard, and so decided to try one of these external solutions. Definitely made the right choice - it was painless to set up and the sound quality is fantastic. One tip others may find handy: the (O)DAC portion of this unit is USB-powered so, if you ever want to switch amplifiers, you can use the EHP-O2Di as an input even when it isn't plugged into the mains! Overall, just a really nice design.


Excellent DAC + headphone amp

I've had an Epiphany Acoustics E-DAC for a while as a general jobbing DAC; that's been so good, I decided to get the EHP-O2Di to rationalize my computer sound rig. Playing into Philips Fidelio headphones and Audioengine A2 speakers, this new combo is proving thoroughly excellent.


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