Description
Pro-Ject Pre Box S3 Stereo Preamplifier
The Pro-Ject Pre Box S3 Stereo Preamplifier is ideal for listeners building a compact yet sophisticated Hi-Fi system.
Paired with a quality power amplifier or active speakers, it offers excellent control, connectivity, and musical transparency while maintaining Pro-Ject’s elegant minimalist design.
User Manual >> View Product Information >> View Pro-Ject Audio Products >>
FAQ’s
- What does the Pro-Ject Pre Box S3 Stereo Preamplifier do?
The Pro-Ject Pre Box S3 acts as the central control unit of a Hi-Fi system, allowing you to connect multiple audio sources and control volume before sending the signal to a power amplifier or active speakers. - Can the Pro-Ject Pre Box S3 connect to active speakers?
The Pro-Ject Pre Box S3 Stereo Preamplifier can be connected directly to many active speakers, providing convenient input switching and volume control. - Does the Pro-Ject Pre Box S3 include digital inputs?
The preamplifier includes digital connectivity, allowing you to connect compatible digital sources such as streamers, computers, or media players. - Is the Pro-Ject Pre Box S3 suitable for compact Hi-Fi systems?
Its compact design makes the Pro-Ject Pre Box S3 Stereo Preamplifier ideal for smaller systems where space is limited but sound quality remains a priority. - What equipment do I need with the Pro-Ject Pre Box S3?
You will typically pair the Pre Box S3 with a power amplifier or active speakers, along with your preferred audio sources such as a streamer, DAC, or CD pl
Key Features & Benefits
- 2 x 40 watts @ 4 ohms output power
- BT 5.0 with aptX HD capability (24-bit, up to 48kHz)
- Ultra compact integrated amplifier
- Analogue volume control with motor driven potentiometer
- 2 pair RCA line inputs
- Variable output for subwoofer or second zone amp
- Gold plated RCA connectors
- Isolated speaker outputs
- IR remote control included
- Rigid aluminium casing protects against interference
- Available in black or silver
- Made in Europe
Ideal For
- Compact Hi-Fi systems
- Desktop or office listening setups
- Modular stereo systems with separate power amplification
Compact High-Performance Preamplifier
The Pro-Ject Pre Box S3 Stereo Preamplifier acts as the control centre of your system, allowing you to manage multiple sources while maintaining a clean and accurate signal path.
Analogue and Digital Connectivity
With both analogue and digital inputs available, the Pre Box S3 easily connects to streamers, CD players, DACs, and other sources, making it a versatile hub for modern Hi-Fi systems.
Precision Volume Control
A high-quality analogue volume control ensures smooth adjustment and precise signal handling, helping preserve musical detail and dynamics.
Compact Audiophile Construction
Built in Pro-Ject’s signature aluminium S3 chassis, the Pre Box S3 provides excellent shielding and durability while fitting easily into smaller Hi-Fi setups.
Flexible System Integration
Designed to work with external power amplifiers or active speakers, the Pre Box S3 gives users the freedom to build a modular Hi-Fi system tailored to their needs.
Designed & handmade in Europe
The new Stereo Box S3 BT is carefully designed and handmade in Europe. Our goal is to develop a technically flawless device in a housing that is only as big as necessary to safe raw materials.
Due to the timeless design & rigid aluminium casework, the Stereo Box S3 BT is built for eternity. \With high-quality materials and components, but also well-thought-out design, we want to be a pioneer in the industry.
With high quality AptX HD Bluetooth input!
Some setups make the use of big amplifiers impossible, but with the new Stereo Box S3 BT you have a big sound in an ultra compact casing. It features two line level RCA inputs and a AptX HD capable BT input to easily connect all your sources.
The Stereo Box S3 BT features enough power to drive your favourite speakers with a fantastic sound quality. The 3.5mm jack variable output can be connected to an additional amplifier, active speakers or a subwoofer. With its tiny formfactor it fits into every environment.
The full aluminium/metal casing not only looks gorgeous but also protects against vibrations and unwanted interferences. For superior convenience it is also fully remoteable. Simply switch inputs and control the volume with the ease of pushing one button!
Specifications
- Output power: 2 x 21W/40W at 8/4ohms (1%THD)
- Frequency response (20Hz-20kHz): <-1,5dB at 4ohms
- SNR: 96dB (100 dB – ‚A‘ weighted) at 4ohm
- Channel separation: -67dB @ 10kHz
- THD: < 0,12% at 5W / 4 ohms
- Gain: 32,5dB
- Line level inputs: 2 pair RCA
- Input impedance 25k ohms
- Variable line output: 3.5mm stereo jack
- Speakers output: 4mm banana plugs, spades connectors or naked wire
- BT version: 5.0
- BT codecs: aptX, aptX HD, A2DP profile
- Power supply: 20V/3A DC 100 – 240V, 50/60Hz
- Power consumption in standby: <0.5W
- Replacement battery remote control 2x AAA 1,5V
- Dimensions W x H x D with sockets 103 x 37 x 115 (138) mm
- Weight 450g without power supply
Why Buy From Rapallo
✔ New Zealand Hi-Fi specialists since 2005
✔ Authorised dealer, genuine products with full warranty
✔ Expert advice and system matching
✔ Free NZ shipping on orders over $299
NZ AV specialists available to help before or after your purchase
1,750+ verified product reviews from genuine NZ verified purchasers
Secure checkout & local warranty, we look after you
NZ price match on identical products so you know you are getting the right price