Stereo Box S3 BT
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Stereo Box S3 BT

Ultra-compact stereo integrated amplifier with two RCA line inputs, an aptX HD Bluetooth 5.0 input and a variable 3.5 mm line output. Aimed at small desktop or bookshelf setups that need a compact amp driving passive speakers.

  • 2 x 40 W at 4 ohms, 2 x 21 W at 8 ohms (1% THD)
  • Bluetooth 5.0 with aptX and aptX HD
  • Two RCA line inputs, gold-plated
  • Variable 3.5 mm line output for subwoofer or second amp
  • Motor-driven analogue volume, IR remote included
  • 103 x 37 x 115 mm, 450 g, black or silver
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Opis

The Stereo Box S3 BT is a small integrated amplifier in a full aluminium case, designed and handmade in Europe. It delivers 2 x 21 W into 8 ohms or 2 x 40 W into 4 ohms (1% THD) and uses an analogue volume control with a motor-driven potentiometer, so volume and input selection can be operated from the supplied IR remote.

Inputs are two pairs of gold-plated RCA line inputs plus a Bluetooth 5.0 receiver supporting aptX, aptX HD and the A2DP profile. A 3.5 mm stereo jack provides a variable line output for feeding a subwoofer, active speakers or a second-zone amplifier. Speaker terminals are isolated and accept 4 mm banana plugs, spades or bare wire.

The case measures 103 x 37 x 115 mm and weighs 450 g without the power supply. The rigid metal housing is intended to reduce vibration and interference. It is available in black or silver and runs from an external 20 V / 3 A DC supply.

Videozapis

Specifikacije

Marka
Pro-Ject
Model
Stereo Box S3 BT
Kategorija
Hi-Fi i kućni audio › Pojačala

Inputs

Line level inputs
2 pair RCA
Input impedance
25k ohms
Bluetooth input
BT 5.0 with aptX HD capability (24-bit, up to 48kHz)

Outputs

Output power
2 x 21W/40W at 8/4ohms (1%THD)
Variable line output
3.5mm stereo jack
Speakers output
4mm banana plugs, spades connectors or naked wire

Audio

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
Volume control
Analogue, motor driven potentiometer

Connectivity

BT version
5.0
BT codecs
aptX, aptX HD, A2DP profile

Power

Power supply
20V/3A DC 100 - 240V, 50/60Hz
Power consumption in standby
<0.5W
Remote control battery
2x AAA 1,5V

Physical

Dimensions W x H x D with sockets
103 x 37 x 115 (138) mm
Weight
450g without power supply
Casing
Aluminium/metal
Colours
Black, silver

In the box

Remote control
IR remote control included

Dokumenti

PDF Korisnički priručnikPDF · od proizvođača

Podaci: project-audio.com; fotografije: Pro-Ject product page · ažurirano 2026-10-11 · Pronašao si grešku? Piši nam