Rotel DX-3 Headphone Amplifier

The Rotel DX-3 is the perfect fusion of exquisite industrial design and cutting-edge audio engineering, delivering an unparalleled personal audio experience. 

• Both fully balanced differential XLR & Single-Ended RCA outputs
• ESS premium Sabre ES9028PRO 32-bit Digital to Analog Converter
• High-Resolution Playback in 32-bit/384kHz via PC-USB or 24-bit/192kHz through Coaxial/Optical inputs.  
• Bluetooth with aptX™HD and AAC
• AUX RCA input seamlessly connects to classic audio equipment.
• Certified Roon Tested 
• Fully Balanced Circuit Topology – Built around an in-house manufactured toroidal transformer with ultra-low noise isolation and premium filter capacitors for pristine sound.  
• User-Friendly Controls – A full-color graphic display, extruded aluminum remote control, and intuitive front-panel controls ensure effortless operation.  

Rotel DX-3 Specifications:

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

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

Front Panel Height: 2.75"

Power Requirements: 120 V, 60 Hz 

Power Consumption: 30 W 

Standby Power Consumption: <0.5 W 

Dimensions: 8.5”W x 3”H x 9.75"D 

Net Weight: 7.1 lbs.