DX-3

Headphone Amplifier

The ultimate Personal Audio companion packaged in exquisite industrial design with the sophistication of a premium, fully balanced Headphone Amplifier. The ESS Sabre ES9028PRO DAC renders music via PC-USB input (32-bit/384kHz), Coaxial/Optical (24-bit/192kHz), aptX™ HD Wireless Bluetooth and legacy audio equipment via an AUX RCA input.

The DX-3 is ideal for audiophiles seeking to enjoy music with a perfect blend of high performance and stylish design.

Certified Roon Tested

ESS premium 32-bit
Digital to Analog Converter

Bluetooth with aptX™HD
and AAC

Fully balanced differential
XLR outputs

Includes Remote Control

Engineered with care.

Dimensions (W × H × D)

215 x 76 x 247mm
8 1/2 x 3 x 9 3/4"

Front Panel Height

70 mm (2 3/4")

Power Requirements

230 V, 50 Hz

Power Consumption

30 W

Standby Power Consumption

<0.5 W

Net Weight

3.2 kg (7.1 lbs.)

BTU

100 BTU/h

Power Output (THD+N < 1%)

Single-ended (6.35 mm) :

765 mW (16 Ω)

383 mW (32 Ω)

41 mW (300 Ω)

Balanced (4.4 mm):

2.8 w (16 Ω)

1.4 w (32 Ω)

150 mw (300 Ω)

Total Harmonic Distortion (32 Ω, 1k Hz)

Single-ended

< 0.008% @ Output=70 mW

Balanced

< 0.004% @ Output=280 mW

Frequency Response

Headphone:

20 Hz - 20k Hz, +0 dB, -0.2 dB

Digital:

10 Hz – 20 kHz, +0 dB, - 0.5 dB

Analog:

20 Hz – 20k Hz, +0 dB, - 0.4 dB

S/N Ratio (IHF "A" Weighted)

Headphone:

Single-ended: >100 dB

Balanced >110 dB

Digital: >112 dB

Analog: > 107 dB

Product Description

The ultimate Personal Audio companion combining an exquisite industrial design with the sophistication of a premium, fully balanced Headphone Amplifier supported by an ESS Sabre ES9028PRO DAC. Connect your balanced or single-ended phones to the DX-3 or attached directly to a pair of active, powered speakers rending music up to 32-bit/384kHz from the PC-USB input, 24-bit/192kHz via Coaxial/Optical, aptX™ HD Wireless Bluetooth or any legacy audio equipment via the AUX RCA input.

Fully balanced circuit topology is powered by an in-house manufactured toroidal transformer with ultra-low noise isolation and filter capacitors. The full color graphic display, extruded aluminum remote control and front panel controls ensure ease of operation and configuration.

The DX-3 is perfect for audiophiles who want to enjoy music through loudspeakers or in private listening sessions, combining performance and style.

More Specifications

Intermodulation Distortion (60 Hz:7k Hz, 4:1) (Headphone)

Single-ended: < 0.01%

Balanced: < 0.006%

Output Impedance (Headphone)

Single-ended: < 0.3 Ω

Balanced: < 0.6 Ω

Gain (Headphone)

0 dB @ G=H

-6 dB @ G=M

-12 dB @ G=L

Recommended Headphone Impedance (Headphone)

16 Ω - 300 Ω

Analog Input Overload

5 V

Analog Output Level

Unbalanced (RCA): 1V

Balanced (XLR): 2V

Analog Output Impedance

Unbalanced (RCA): 100 Ω

Balanced (XLR): 200 Ω

Channel Separation (Analog)

>86dB

Input Sensitivity

Digital: 0 dBFs

Analog: 1.2 V

Input Impedance

Digital : 75 Ω

Analog : 10k Ω

Digital Output Level

Unbalanced (RCA) 1.6 V

Balanced (XLR) 3.5 V

Digital to Analog Converter

ESS ES9028PRO DAC (32-bit/768kHz)

Coax/Optical Digital Input Signals

SPDIF LPCM (Up to 24-bit/192kHz)

PC-USB

USB Audio Class 2 (up to 32-bit/384kHz)*

*Driver Installation Required

Support DSD(up to 11.2 M) and DoP (up to 5.6 M)

Support Roon Tested

Resources

Owners Manual

Info Sheet

DX-3

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