Description Rotel DX-3 Headphone Amplifier The Rotel DX-3 Headphone Amplifier is 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. View Owners Manual >> View Specifications >> View Rotel >> Product Reviews Headfonia – Aug 2025 SoundStage – Jun 2025 eCoustics – Jun 2025 avfline – May 2025 Home Theater Tech – May 2025 Features 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 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. Specifications Headphone Section 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 = 270 mW Intermodulation Distortion (60 Hz : 7k Hz, 4:1) Single-ended: < 0.01% Balanced: < 0.006% Frequency Response: 20 Hz – 20k Hz, ( 0 dB, -0.2 dB) Output Impedance: Single-ended: < 0.3 Ω Balanced: < 0.6 Ω Signal to Noise Ratio (IHF “A” weighted): Single-ended: > 100 dB Balanced: > 110 dB Gain: 0 dB @ Gain = H, -6 dB @ Gain = M, -12 dB @ Gain = L Recommended Headphone Impedance: 16 Ω – 300 Ω Analog Section Total Harmonic Distortion (20 Hz– 20k Hz): Unbalanced (RCA): < 0.006% Balanced (XLR): < 0.003% Intermodulation Distortion (60 Hz : 7k Hz, 4:1): < 0.001% Frequency Response: 20 Hz – 20k Hz ( 0 dB, -0.4 dB) Signal to Noise Ratio (IHF “A” weighted): > 107 dB Line Output Level / Impedance: Unbalanced (RCA): 1 Vrms / 100 Ω Balanced (XLR): 2 Vrms / 200 Ω Input Sensitivity / Impedance: 1.2 V / 10k Ω Input Overload: 5V Channel Separation: > 86 dB @ 10k Hz Digital Section Total Harmonic Distortion (20 Hz– 20k Hz): Unbalanced (RCA): < 0.005% Balanced (XLR): < 0.003% Line Output Level: Unbalanced (RCA): 1.6 Vrms Balanced (XLR): 3.5 Vrms Frequency Response: 10 Hz – 20k Hz ( 0 dB, -0.5 dB) Signal to Noise Ratio (IHF “A” weighted): > 112 dB Input Sensitivity / Impedance: 0 dBFS / 75 Ω Digital Inputs: SPDIF LPCM (up to 24-bit / 192k Hz ) PC-USB: USB Audio Class 2.0 (up to 32-bit / 384k Hz ) Driver installation required Support DSD (up to 11.2 MHz) and DoP (up to 5.6M Hz) Roon Tested Dimensions Dimensions (WxHxD) 215 x 73 x 247 mm Front Panel Height 70 mm / 2 3/4” Weight (net) 3.2 kg, 7.1 lbs. Finish Black and Silver
