The Project Head Box S3 Headphone Amplifier is really an ideal center for a highly elaborate audio system as it offers absolutely 13 inputs and outputs. This compact pre-amp is able to connect all your devices. For example, from TV to turntable or even your PC and Smartphone through wireless Bluetooth.
Moreover, it also exposes a very natural sound from all your music sources thanks to premium components. Including a 24-bit/192Hz DAC (Digital to Analog Converter).
Project Pre Box S3 Pre Amplifier
If you connect your TV through the HDMI eARC, you can enjoy the excellent audio of your music system on your TV without having to buy another soundbar. The eARC (enhanced Audio return Channel) feature allows you to manage the volume with your current remote control easily. In case your TV does not have an available HDMI port. You can just use optical or coaxial input connections.
Phono MM Plus MC
The Project Pre Box S3 Pre Amplfier offers a wide range of customisation options to perfectly match the connected moving magnet or moving coil cartridge. Among five Impedance, four Capacitance (pF) and four Gain choices, hardly any cartridges will be left out by this box of tricks.
Since the Phono Box S3 B also has balanced inputs and outputs. It is under the Project True Balanced Connections concept. If you connect a moving coil cartridge turntable and the use of a balanced connection cable from Project. Your analogue system will experience the advantages of increased dynamics.
Less noise and improved signal-to-noise ratios. Going true balanced is similar to hearing the music parts that were not there before.
Balanced Output
In order for the Project Pre Box S3 Pre Amplifier to perform at its best. It should be used in conjunction with a turntable having a balanced output. e.g. X1 B and X2 B models from Project. Install a Moving Coil cartridge and connect the turntable via its mini XLR output to experience the full extent of balanced connectivity.
Besides the possibility to toggle between XLR balanced and RCA phono non balanced connections. The Phono Box S3 B features an array of cartridge options. So that your cartridge is matched at the optimum level.
Features and Benefits
- Compact Design: Although it is powerful in performance. Its size is very small. Moreover, it can be placed at any location.
- Precise Audio Signals: The sound characteristics are so purified that the sound clearness gets improved. Thus, the audio signal of the music or voice is crisp and clear.
- Dynamic Range: The Addition of more elements to each song or live performance.
- Simple Controls: This means you can easily change the settings. In just a few seconds and without getting confused.
- Precision Engineering: The product was mainly designed for dependable use and long-time maintenance.
Summary of the Project Pre Box S3 Pre Amplifier
Integrated Bluetooth 5.0 with aptX HD support allows the Project Pre Box S3 Pre Amplifier to stream audio wirelessly from smartphones, tablets, and computers with high fidelity. AptX HD provides 24-bit audio quality at up to 48 kHz, delivering detailed, dynamic, and near-lossless sound.
Bluetooth 5.0 Connectivity
There’s even Bluetooth 5.0 connectivity. Which allows you to stream audio directly from your phone or tablet. That also includes aptX HD support, meaning you’ll get 24-bit quality at up to 48kHz.




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