Advance Paris WTX-1100
aptX-HD Bluetooth receiver in a metal casing, with optical and coaxial digital outputs, for streaming music from a smartphone, tablet or computer to a hi-fi system.
Description
The WTX-1100 is a Bluetooth audio receiver designed to wirelessly connect a portable device, smartphone, tablet, iPhone, iPad, iPod or laptop, to an existing hi-fi system. It sits between the mobile source and the amplifier to transmit stored or streamed music to a standard stereo system.
Unlike a dongle format that plugs directly into the back of the amplifier, this model adopts a standalone rectangular metal casing. This design leaves room for two separate digital audio outputs, one optical and one coaxial, allowing you to make use of the digital-to-analogue converter already present in the amplifier, or to insert a separate external DAC between the receiver and the system.
The receiver is based on the Bluetooth 2.1 EDR standard with the apt-X codec, combined with a claimed signal-to-noise ratio of between 80 and 100 dB depending on source quality. This high signal-to-noise ratio limits the background noise usually associated with wireless transmission, for cleaner listening than with a standard Bluetooth receiver.
It is compatible with the Airblue protocol as well as with any device supporting the Bluetooth A2DP profile, whether an Android smartphone or tablet, an iPhone, an iPod touch, an iPad, or a PC or Mac laptop.
This receiver is aimed at users who already own an amplifier or a separate DAC and wish to add wireless streaming from their mobile devices, without using a cable or changing their existing electronics.
Technical specifications
| DAC | MS4344 |
| Outputs | one stereo analogue output (RCA) and two digital outputs, one optical TOSLINK and one coaxial (RCA) |
| Bluetooth | aptX-HD |
| Dimensions (H × W × D) | 47 × 130 × 150 mm |
| Weight | 518 g (net) |
What to check before buying used
The original mains power supply should be checked first: an unsuitable generic unit with the wrong voltage can damage the internal Bluetooth circuit. Test pairing with several apt-X sources to rule out an antenna fault, as well as both digital outputs using a working optical cable and a working coaxial cable. A dirty Toslink connector or a loose RCA plug is enough to cut the signal while the unit otherwise appears to be working normally.
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