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Pro-Ject Audio Stereo Box S3 Integrated Amplifier


£359.00

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Description

Pro-Ject Audio Stereo Box S3 Integrated Amplifier

Experience fantastic sound quality thanks to the 2×40 watts at 4 ohms power output offered by the Stereo Box S3 BT and, if needed, you can connect an additional amplifier via the 3.5mm jack variable output. This variable option can also be connected to active speakers or a subwoofer offering even more flexibility in use than the small form-factor allows.

The Stereo Box S3 BT is available in black or silver aluminium/metal casing finishes that not only look gorgeous but also protect against vibrations and unwanted interferences in your environment. For even further ease of the the Stereo Box S3 BT cames supplied with an IR remote that turns operating the amplifier – switching inputs and adjusting volume – into a simple one-button push.

Made and designed in Europe the Stereo Box S3 BT employs the core ethos of Pro-Ject Audio Systems; technically correct and as compact as possible, saving both space and materials to both keep the cost down and reduce the impact on the environment.

 

Pro-Ject Audio Stereo Box S3 Integrated Amplifier Features

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

 

About Pro-Ject Audio

austria flag

Pro-Ject was founded in 1991, during the onslaught of the compact disc and CD players, with the mission to offer the best analogue experience for reasonable prices. In a time where the digital audio media had been on the rise, and vinyl was declared as outdated and dead, Heinz Lichtenegger kept his belief in the simple but best way to enjoy music – turntables.

Pro-Ject’s aim is to get as many people as possible into the wonderful hobby that is HiFi audio and to deliver a real stereo experience for the lowest cost possible. The best way to start there is with a proper turntable. They want to give music lovers the right to choose what they need by not overblowing their products with unnecessary features. They strive to create astonishing products that offer impeccable value by using the best components for the price and manufacturing their handmade goods in Europe.

Additional information

Technical Specification

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

Colour

Black, Silver

About Revelation Audio

Revelation Audio is more than just a HiFi store — it’s a destination for anyone who believes music deserves to be heard exactly as the artist intended.

Located in the heart of historic Lincoln at 50 Grantham Street, LN2 1LW, our showroom occupies a stunning 15th-century Grade II listed building. We’ve created a relaxed, home-from-home environment where you can experience premium audio systems the way they’re meant to be enjoyed — without pressure, in comfort, and with exceptional coffee always on hand.

Our Story

Founded by David McCaffrey, Revelation Audio brings together over 20 years of deep experience in the audio-visual industry. David has worked with some of the world’s most respected brands — including Arcam, Tannoy, Panasonic, Sony, and JBL — giving him unparalleled insight into what truly delivers outstanding sound quality.

After two decades helping shape the industry, David opened Revelation Audio to focus on what matters most: carefully curated, high-performance audio solutions tailored to real people and real listening spaces. We specialise in both analogue and digital sources, state-of-the-art amplifiers, and loudspeakers that reveal every nuance of your music.

My passion for music runs deep and has been the driving force behind everything I do at Revelation Audio. For me, music isn’t just background noise — it’s emotion, storytelling, energy, and escape all at once. I love how a perfectly reproduced track can transport you, make your heart race, or bring tears to your eyes. Some of my favourite artists right now include Karsh Kale for his groundbreaking fusion of Indian classical with electronic grooves, Etherwood for those soulful, atmospheric drum & bass journeys, and Tom Misch for his effortless blend of jazz, soul, and groove. But my tastes are truly eclectic — one minute I’m deep into jazz fusion or classic rock, the next I’m exploring ambient electronica, vintage soul, progressive metal, or world music from every corner of the globe. That wide-ranging love is exactly why I’m so committed to systems that can handle anything you throw at them with honesty, detail, and musicality.

It’s more than just music!

Pro-Ject Audio Stereo Box S3 Integrated Amplifier

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Pro-Ject Audio Stereo Box S3 Integrated Amplifier