Pro-Ject Audio Systems

Uni Box S3

MSRP not recorded

The Pro-Ject Audio Systems Uni Box S3 is an integrated amplifier with analogue inputs and network/Bluetooth streaming. It uses a fully analogue preamplifier and power-amplifier design in a compact aluminium case, with a Texas Instruments TPA3221DDV power amplifier and Cirrus Logic CS4344 24-bit/192 kHz DAC. Power output is 2 × 23 W at 8 ohms or 2 × 40 W at 4 ohms, with 2 pairs of RCA inputs, an MM phono RCA input, coaxial RCA, two Toslink inputs, ARC, Wi‑Fi and Bluetooth connectivity, and a variable RCA output.

MSRP

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Original list price not on record.

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Specifications

SNR: 94dB (9dB-‚A‘ weighted) @4ohm
Weight: 1100 g without power supply lbs
THD: < 0,05% at 10W / 4 ohms%
Da converter: Cirrus Logic CS4344 24bit/192kHz
Power output: 2x 23W / 40W at 8 / 4ohms (1% THD)
Power supply: 20V/3A DC; 100 - 240V, 50/60Hz
Dimensions: 206x55x153 (176mm with sockets)"
Digital inputs: RCA coax, 2 x Toslink, ARC, WiFi/BT
Analogue inputs: 2x pair RCA, 1x phono MM (RCA)
Power amplifier: Texas Instruments TPA3221DDV
Variable output: 1x pair RCA
Channel separation: - 67dB at 10kHz
Speaker connectors: 4mm Ø banana plugs, spades connectors or naked wire
Headphone amplifier: 70mW at 32ohm (1%THD)
Wireless connectivity: Wi-Fi 5, 802.11 b/g/n/ac 2.4 G and 5G dual bands, Bluetooth 5.0, SBC and AAC
Standby power consumption: < 0,5 watts
Frequency response 20hz 20khz: < 0,4 - 0,9dB @4ohms