Pro-Ject Audio Systems
Pro-Ject MaiA S3
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MaiA S3
Compact & Versatile Audiophile Integrated Amplifier
Made In Europe

The New MaiA S3
The MaiA S3 is the all in one solution for your hifi system. Not only the circuit design was reworked, also the case has been significantly changed and the MaiA S3 uses our new S3 case. Due to the bigger size we were able to improve the circuit board layout in terms of electromagnetical interference. With its 8 inputs you are ready for any kind of source device.

Versatile and Compact
The MaiA S3 offers eight inputs. Ready for digital or analog sources, wired or wireless – you’re covered. The phono section can handle MM, MI, or high output MC cartridges. Hook up your tuner or any other analog device to one of the three line-level RCA inputs. The DAC section allows a coax and two optical connections. The high definition aptX™ HD Bluetooth 5.0 wireless input allows streaming your favorite music via your phone.
Versatile |
aptX™ HD |
Handmade in EU |
Phono, Line, Digital, Bluetooth 5.0 |
Bluetooth 5.0 |
Since 1991 |
REVIEW & AWARDS
Pro-Ject MaiA S3 Integrated Amplifier Review - Read More

"No question about it; the Pro-Ject MaiA S3 is going to appeal to lots of people. Despite being tiny, it is hugely versatile, sounds excellent, runs cool, and sells for a very reasonable price. For those just wanting a good, small, simple, fuss-free amplifier, the MaiA S3 will be perfect; just the ticket. It is a terrific value, then. While you might find an amplifier that sonically out-points it in areas such as richness and warmth, anything significantly better is likely to be much bigger and heavier. The choice, my audiophile friends, is yours! " - James Michael Hughes
Pro-Ject Maia S3 Integrated Amp Review - Read More

"At the core of any judgement of the Pro-Ject will be an argument over whether 23 watts is ‘enough.’ Based on every metric of testing equipment in a UK lounge I’ve accrued over the years, it is, but it seems that a few of you take comfort in bigger numbers. From my perspective, I’d rather have 23 good watts than 100 indifferent ones and the Maia S3 delivers a performance and flexibility across those connections that is hard to match at the price. Pro-Ject’s affordable integrated keeps getting better and the Maia S3 has to be seen as a Best Buy. " - Ed Selley
SPECIFICATIONS
Power output | 2x 23W / 40W at 8 / 4ohms (1% THD) |
Frequency response (20Hz-20kHz) | <-0,5dB @4ohm |
Signal to noise ratio | 97dB (101dB-‚A‘ weighted) @4ohm |
Channel separation | - 69dB at 10kHz |
THD | < 0,04% at 10W / 4 ohms |
Headphone amplifier | 2x 75mW at 32ohm (1%THD) |
Headphone output | 6,3mm jack (16 – 600ohms) |
Analogue inputs | 3x pair RCA, 1x phono MM (RCA) |
Digital inputs | RCA coax, 2 x Toslink, Bluetooth 5.0 (aptX) |
D/A-converter | Cirrus Logic CS4344 24bit/192kHz |
Variable output | 1x pair RCA |
Speaker connectors | 4mm Ø banana plugs, spades connectors or naked wire |
Power supply | 20V/3A DC;100 - 240V, 50/60Hz |
Power consumption in standby | <0.5W |
Battery remote control | 1 x CR2032 / 3V or CR2025 / 3V |
Dimensions W x H x D | 206x55x153 (176mm with sockets) |
Weight | 1070 g without power supply |





