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Denon DA300USB (Silver)


Stereo DAC/Headphone Amplifier

Denon DA300USB Stereo DAC/Headphone Amplifier - (Headphones sold separately).

Denon DA300USB Stereo DAC/Headphone Amplifier - (Headphones sold separately).

Supports A Wide Range Of High-Resolution Audio Formats, Including DSD

Digital Audio Inputs — 2 Optical, 1 Coaxial, And An Asynchronous USB (Type B)

Built-In Headphone Amplifier With Front-Panel Headphone Volume Control

Availability: In Stock

Your price $799

Save $130 (Normally $929)

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Product Description

Turning Your Bits & Bytes Into Music

Storing digital music on a computer hard drive has become as popular as cassettes were in the 70’s. Our ears, however, can only hear analogue signals, which is where a Digital To Analogue Converter (DAC_ comes in. A DAC converts all those ones and zeros into an analogue waveform that, when played back through a hi-fi system, literally brings music to your ears.

When quality is the first priority but space and funds are limited the Denon DA-300USB could be just the answer to your needs. 


Small yet powerful the Denon DA-300USB exudes construction quality and nails sound quality. Playing double duty as a high class headphone amp and DAC rolled into one Denon need make no excuses for this giant killing product. 

High Definition USB DAC / Headphone Amp: The new DA-300USB DAC boasts the same high definition signal processing and ultra-high precision 32bit, 192kHz digital to analogue conversion technologies that delivers the astounding sound quality of Denon’s top of the range CD / SACD players.

Simply connecting the minimalist styled DAC via USB-B provides incredible quality computer-audio – with headphones or powered speakers – for computer stored music files or streaming audio over the internet. Alternatively, the DA-300USB is a major hi-fi upgrade; enabling audiophile playback of computer music libraries and streaming audio (from any PC or Mac) via your hi-fi, at the same time dramatically improving the sound quality of other digital audio devices, like media players, CD and DVD players, TV’s and set top boxes, Apple TV, and games consoles, by connecting them to the additional coaxial and optical digital inputs.

The DA-300USB features universal digital fi le format support for PCM and DSD (the native fi le format for SACD) digital audio signals on the USB-B input, for bit-transparent, asynchronous playback of digital music fi les and streaming audio from connected PCs, and PCM signals, up to 24bit, 192kHz, via the SPDIF and optical digital inputs. Denon Advanced AL32 Processing and High-Precision 32bit, 192kHz digital to analogue conversion feeds the line level outputs for connection to a hi-fi amplifi er or desktop speaker system and an integrated headphone amplifier that drives all types of headphones and in-ears, for exceptional listening quality.

Universal Audiophile Playback Of Digital Music Files And Streaming Audio: The USB-B input enables computer stored music files or streaming audio from internet music, video and film services to be processed and played via the DA-300USB for the highest possible sound quality. The computer recognises the DA-300USB as an external soundcard, completely bypassing its own lower quality audio electronics. Any digital audio format that can be played from the computer's own media player can be processed by the DA-300USB – including MP3/MP4, AAC, ALAC, WAV and FLAC HD (up to 24bit, 192kHz) and DSD (in 2.8 and 5.6 resolution). Transmission of the digital audio stream from the computer to the DA-300USB is in bit-transparent, asynchronous mode, to ensure a bit-perfect datastream for high definition Advanced AL32 Processing and High- Precision 32bit, 192kHz digital to analogue conversion.

Additional Digital Audio Inputs: Three additional digital audio inputs – one coaxial and two optical – allow the DA-300USB's advanced audiophile circuitry to connect to and provide vastly improved sound reproduction for other digital audio devices, like media players, CD and DVD players, TV’s and DVB set top boxes, Apple TV, and games consoles. The coaxial and optical digital inputs support PCM input signals up to 24bit, 192kHz.

High Definition Signal Processing And D to A Conversion: Denon's Advanced AL32 Processing and High-Precision 32bit, 192kHz digital to analogue conversion delivers audio quality far in advance of usual high definition, wide bandwidth conversion techniques. Just as advanced Blu-ray players can deliver full HD video from standard definition DVD, the Advanced AL32 processor up-converts and up-samples all input signals to a 32bit, 192kHz high definition datastream, which is interpolated, using a highly advanced proprietary algorithm, to provide a full scale, accurate reproduction of the original sound recording. The Advanced AL32 processor is matched with an High-Precision 32bit, 192kHz D to A conversion (DAC) circuit to fully exploit the Advanced AL32 high definition processing. Quantization noise, inherent in standard resolution digital audio conversion, is rendered inaudible and digital processing and filtering artifacts are moved far beyond the range of human hearing, so as to reproduce the purist, highest possible quality analogue output signal.

DAC Master Clock Design: A master clock design of exceptionally accuracy been placed immediately next to the DAC circuit, to provide the greatest accuracy in the D to A signal conversion and reduce to the absolute minimum timing anomalies in the conversion process – known as jitter – that are a significant source of distortion. The design features a low jitter oscillator to generate the clock signals. Two crystals – at 44.1 and 48kHz – are incorporated, to generate the most accurate clock for incoming signals of any sample frequency (incoming signal sample frequencies being a multiple of one or other of the crystals – e.g. 192kHz = 4 x 48kHz; 88.2kHz x 44.1kHz). The effect is to ensure reproduction of a fully realistic and transparent stereo sound stage, with accurate localization of instruments and performers. 


  • Design: High definition DAC with 1 x USB-B, 1 x coaxial and 2 x optical digital inputs
  • Processing: Denon Advanced AL32 Processing and High-Precision 32bit, 192kHz digital to analogue conversion for exceptional high definition audio quality
  • File Formats: Universal bit-transparent, asynchronous playback of digital audio file formats and streaming audio from PCs via USB-B; up to 24bit, 192kHz and DSD2.8 and DSD5.6 native support by DoP (DSD over PCM)
  • DAC Master Clock Design: For distortion free, fully transparent sound stage. Independent master clock crystals (44.1kHz and 48kHz) accurately clock incoming signals at any sample frequency
  • Noise Isolating Circuit Design: Prevents distortion via USB connection from computer generated digital noise; ensures fully transparent and spatially accurate sound stage
  • Audiophile Analogue Output Stage: Matched to fully exploit high definition 32bit, 192kHz D to A signal conversion for the same astounding sound quality as Denon's top of the range CD / SACD players
  • PCM resolution (opt./coax./USB-B): 24bit / 192kHz
  • DSD Streaming USB-B (DoP): DSD64 / DSD128
  • Asynchronous Mode
  • Bittransparent mode
  • High Quality Audio Components: Deliver rich, open, detailed sound


  • SPDIF (coaxial/optical) Inputs: 3 for upgrading sound from other digital audio devices (up to 24bit, 192kHz) with the DA-300USB's advanced high definition signal processing
  • Audiophile analogue signal (line level) output and headphone amplifier stage, for connection to hi-fi amplifier or desktop speaker system and superb listening with all kinds of headphones or in ears
  • Front panel touch input selector switch and headphone volume control
  • Digital input: 1x Coaxial / 2x Optical
  • USB input: USB-B
  • Analogue Output: 1x RCA
  • Headphone Output: 6.3mm

Other Features

  • Power supply: AC adapter 240 V, 50Hz
  • Power consumption: 15 Watts
  • Dimensions horizontal (W x H x D): 170 x 57 x 182 mm (incl. Knob, Terminal)
  • Dimensions vertical (W x H x D): 114 x 175 x 182 mm (with Stand)
  • Weight: 1.5 kg
  • Manufacturer's Warranty: 2 Years

Note: Features & Specifications Subject To Change Without Notice. E&OE 

Additional Information

Additional Information

Name Stereo DAC/Headphone Amplifier
Brand Denon
Colour Silver
Digital Inputs/Audio Formats USB Type B Input, Coaxial Digital Input, Optical Digital Input
Digital Outputs None
Analogue Inputs/Outputs Stereo RCA Outputs
Headphone Outputs 6.3mm Headphone Socket
Other Features None
Shipping Weight (kg) 2.5000
Price Range $929


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