Slim Devices Squeezebox

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Squeezebox v3 is a hi-end audiophile grade audio player that is designed by Slim Devices (now Logitech Inc). It's made for a vast repotoire of listening environments. Additionally it can interface with the music services Pandora, Real Rhapsody, and many other streaming internet radio stations. The latest version was first released and shipped in October 2005.

Technical Specifications

Audio outputs (general)

Digital and analog outputs

  • All RCA connectors are gold-plated
  • Volume control is provided for all outputs
  • Multiple outputs may be used at the same time

Analog RCA outputs

  • High fidelity Burr-Brown™ 24-bit DAC
  • Two dedicated linear power regulators for DAC and line-out stages
  • Full 6.0Vpp line-level signals
  • Signal-to-noise ratio: over 100dB
  • Total harmonic distortion: less than -93.5dB (0.002%)

Digital S/PDIF outputs

  • Optical and coax digital connections
  • Dedicated high-precision crystal oscillators (no PLL, no resampling)
  • Standard IEC-958 (S/PDIF) encoding
  • Optical connector: TOSLINK 660nm
  • Coax connector: RCA, 500mVpp into 75 ohms
  • Sample rates: 44.1Khz, 48Khz, 96Khz
  • Audio format: linear PCM, 16 or 24 bits per sample
  • Intrinsic jitter: less than 50ps (standard deviation)

Headphone output

  • Standard 1/8" jack also functions as an IR blaster
  • Minimum headphone impedance: 16 ohms
  • Total harmonic distortion: less than 0.03%
  • Left/right crosstalk attenuation: 92dB

Audio Codecs




  • MAD decoding
  • High accuracy 24-bit synthesis
  • Sound check and ReplayGain support for adjusting the gain on your audio files.

Tech Information


  • Flash upgradeable firmware
  • Network settings are stored in non-volatile memory
  • Auto-configuration for most networks
  • Easy setup for wireless networks


  • 250 MHz 8-way multithreaded RISC processor
  • "Pure software" SlimDSP™ architecture
  • Field-upgradeable Xilinx CPLD
  • 64 Mb high-speed RAM
  • 16 Mb program flash
  • Low-power design, all solid-state, fanless


Wireless Interface

  • True 802.11g wireless networking
  • Bridging capability allows Ethernet devices to connect to the network through Squeezebox Wireless
  • Throughput up to 54 Mbps, high speed PCI interface to radio module
  • Dual antennas for improved range and throughput
  • Supports all 802.11b and 802.11g access points
  • Internal antennas: planar inverted-F antenna
  • Automatically detects available networks for quick setup
  • Supports both WPA Personal, WPA2-AES and 64/128-bit WEP encryption

Ethernet Interface

  • Available on both Wireless and Wired models
  • True 100Mbps throughput
  • Shielded CAT5 RJ-45 connector
  • Connects to any 100 Mbps or 10 Mbps network
  • Auto-detects full duplex and half duplex modes
  • Automatic receive polarity correction
  • Maximum cable length: 100 meters (328 feet)


Power input

  • 5 V DC, regulated
  • Center positive, sleeve ground
  • Connector: 2.5 mm ID, 5.5 mm OD, 11 mm long
  • Min supply rating: 1000 mA

Power supply

  • Switching power supply included
  • Input voltage range and plug style specific to shipping destination
  • Power supplies are small, efficient, and do not get hot
  • One of four styles is included depending on country

Software installation

  • All systems: 256 MB RAM, ethernet or wireless network, and 20 MB hard disk space
  • Macintosh: Mac OS X 10.3 or later
  • Windows: 733 MHz Pentium running Windows NT/2000/XP
  • Linux/BSD/Solaris/Other: Perl 5.8.3 or later

See also

External links