Logitech Squeezebox Duet specs

Specifications


Audio Outputs

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 Wolfson® 24-bit DAC
Two dedicated linear power regulators for DAC and line-out stages
4.8Vpp line-level outputs
Signal-to-noise ratio: over 90dB
Total harmonic distortion (THD+N): less than -88dB (0.004%)

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
Audio format: linear PCM, 16 or 24 bits per sample
Intrinsic jitter: less than 50ps (standard deviation)


Audio Formats

Audio formats

Lossless Formats (Apple Lossless, FLAC, WMA Lossless)
"Bit-perfect" CD audio streaming, with reduced storage and bandwidth usage
Approximately 2:1 compression ratio

Uncompressed formats (AIFF, WAV, PCM)
Supports raw pass-through of uncompressed PCM audio formats
Digital passthrough to S/PDIF for DTS

Compressed formats (MP3, AAC, Ogg Vorbis, MP2, MusePack, WMA)
MPEG decoding uses MAD software, widely regarded as the most accurate, most compatible MP3 decoder
Supports all MP3 data rates and sample rates, including VBR

May be streamed in PCM (raw), MP3 (transcoded), or FLAC (transcoded) formats
Sound Check and Replay Gain support for automatic volume control
Some formats may require additional software installation (e.g. QuickTime), depending on platform


Internet Radio

"Always-on" Internet Radio, powered by mysqueezebox.com (formerly SqueezeNetwork), lets you tune in to Internet Radio streams even when the home PC is switched off
Quick selection from hundreds of Internet Radio streams offered by Logitech's partners
Internet Radio favorites can be saved in a playlist for easy access
Displays song title information during playback
Support for MP3, Ogg Vorbis, and WMA formatted Internet Radio streams


Tech Notes

Squeezebox Controller Architecture

Samsung 200 MHz ARM processor
64 MB NAND programmable flash
64 MB high-speed RAM
3-axis accelerometer tilt sensor
Removable 1250 mAh Li-ion rechargeable battery

Firmware

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

Squeezebox Receiver Architecture

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


Network

Wireless Interface

(Squeezebox Receiver and Controller)

True 802.11g wireless networking
No wireless router required - Squeezebox Controller wirelessly connects to ethernet networks through Squeezebox Receiver
Throughput up to 54Mbps, high speed PCI interface to radio module
Dual antennas for improved range and throughput (Squeezebox Receiver)
Supports all 802.11b and 802.11g access points
Automatically detects available networks for quick setup
Supports both WPA Personal, WPA2-AES and 64/128-bit WEP encryption


Ethernet Interface

(Squeezebox Receiver)

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


Power

Squeezebox Receiver Power input

9.0V DC, regulated
Center positive, sleeve ground
Connector: 1.05mm ID, 3.5mm OD, 7mm long
Min supply rating: 550mA

Power supplies

Universal switching power supplies included
Power supplies are small, efficient, and do not get hot
One of four adapter plate styles is included depending on country


Basics

What's included

Squeezebox Controller
Squeezebox Receiver
Charging Cradle with power supply
Power supply for the receiver
6-foot gold plated RCA patch cord
Installation guide
Rechargeable Li-ion battery pack

System requirements

mysqueezebox.com (formerly SqueezeNetwork) or Squeezebox Server software (formerly SqueezeCenter)
All systems: 256MB RAM and 80MB hard disk space
Macintosh: Mac OS X 10.3.5 or later
Windows: 733Mhz Pentium running Window 2000/XP/Vista/7
Linux/BSD/Solaris/Other (Perl 5.8.3 or later)
Ethernet and/or 802.11b/g/n wireless home network
Broadband Internet connection required for Internet radio and music service

Part of the Squeezebox family

Works with all Squeezebox products for whole home audio
Can be syncrhonized with any Squeezebox or Transporter


Physical

Squeezebox Receiver

Dimensions: L: 156mm x W: 106mm (w/o connectors); 112.5mm (w/connectors) x H: 29.25mm
Finish: high gloss black

Squeezebox Controller
Dimensions: L: 156.2mm x W: 50.8mm x H: 18.8mm
Finish: high gloss black
2.4-inch color LCD TFT display
240 x 320 pixels
256K colors
LED backlit


Legal Notes

Warranty

Two years parts and labor

Regulatory compliance

CE
FCC Class C
Canada Class C
UL
TUV