Quad 303

eBay UK

Quad

Quad 303 Power Amplifier ©HiFi Vintage

USD$372 ≈ GBP$275

GB 1d ago

Sign in to Research →

eBay UK

Quad

QUAD 303 Power Amplifier.

USD$318 ≈ GBP$235

GB 5d ago

Sign in to Research →

eBay UK ↓ 14%

Quad

Quad 303 Power Amplifier Serviced and Recapped (upgraded capacitors)

USD$305 ≈ GBP$224

GB 25 Aug 2026

Sign in to Research →

eBay UK

Quad

QUAD 303 Power Amplifier ---- Serviced & fitted with Amplabs 2026 HPUG (SU-FI)

USD$564 ≈ GBP$415

GB 25 Aug 2026

Sign in to Research →

eBay UK

Quad

1x Quad 303 power amplifier (110 - 240volts) (45watt output) 45watts in 8ohms f

USD$381 ≈ GBP$280

GB 22 Aug 2026

Sign in to Research →

eBay UK ↓ 19%

Quad

Quad 303 Grey Power Amplifier 2-Channel 40W Class AB DIN Banana Outputs

USD$232 ≈ GBP$170

GB 21 Aug 2026

Sign in to Research →

eBay UK

Quad Stereo Power Amplifier

Vintage Quad 303 stereo power amplifier, fully serviced, lovely condition, cable

USD$443 ≈ GBP$325

GB 20 Aug 2026

Sign in to Research →

eBay US

Quad Cables & Accessories

QUAD 303 POWER AMPLIFIER WITH CABLES AND ACCESSORIES ! E

USD$359

US 19 Aug 2026

Sign in to Research →

eBay UK

Quad

Quad 303 Grey Power Amplifier 2-Channel 40W Class AB DIN Banana Outputs

USD$292 ≈ GBP$215

GB 19 Aug 2026

Sign in to Research →

Kleinanzeigen Good

Quad

Quad 303+NAD Vorverstärker+Cinch Kabel

USD$324 ≈ EUR$280

DE 19 Aug 2026

Sign in to Research →

eBay UK

Quad

QUAD 303 POWER AMPLIFIER

USD$341 ≈ GBP$250

GB 18 Aug 2026

Sign in to Research →

eBay UK

Quad

Quad 303 HiFi Separate Home Audio Power Amplifier inc Warranty

USD$473 ≈ GBP$349

GB 13 Aug 2026

Sign in to Research →

eBay UK

Quad

Quad 303 Power Amplifier

USD$400 ≈ GBP$295

GB 13 Aug 2026

Sign in to Research →

eBay UK

Quad

Quad 303 HiFi Separate Home AV Power Amplifier (Gold) inc Warranty

USD$472 ≈ GBP$349

GB 11 Aug 2026

Sign in to Research →

eBay UK

Quad Stereo Power Amplifier

Vintage Quad 303 stereo power amplifier, tested, sounds great but not serviced.

USD$250 ≈ GBP$185

GB 10 Aug 2026

Sign in to Research →

eBay UK

Quad

QUAD 303 Power Amplifier ---- Serviced & fitted with Amplabs 2026 HPUG (SU-FI)

USD$560 ≈ GBP$415

GB 8 Aug 2026

Sign in to Research →

eBay UK

Quad

Quad 303 HiFi Separate Power Amplifier (Amplabs Improved) inc Warranty

USD$533 ≈ GBP$395

GB 7 Aug 2026

Sign in to Research →

eBay UK

Quad Stereo Power Amplifier

Quad 303 Stereo Power Amplifier Vintage Amp Hi-Fi Working

USD$196 ≈ GBP$145

GB 4 Aug 2026

Sign in to Research →

HiFi Forsale Excellent

Quad

New QUAD 303

USD$906 ≈ GBP$675

GB 1 Aug 2026

Sign in to Research →

eBay UK

Quad

Quad 303 power amplifier, Amp Labs comprehensive upgrade, original packaging

USD$469 ≈ GBP$349

GB 1 Aug 2026

Sign in to Research →

eBay UK

Quad

QUAD 303 Power Amplifier ---- Serviced & fitted with Amplabs 2026 HPUG (SU-FI)

USD$531 ≈ GBP$399

GB 25 Jul 2026

Sign in to Research →

eBay UK

Quad

Quad 303A2 Vintage Power Amplifier Hi-Fi Amp Made in England Fully Working

USD$333 ≈ GBP$250

GB 24 Jul 2026

Sign in to Research →

eBay UK

Quad

Quad 303 Power Amplifier UNTESTED

USD$209 ≈ GBP$157

GB 20 Jul 2026

Sign in to Research →

eBay UK

Quad

QUAD 303 Power Amplifier ---- Serviced & fitted with Amplabs 2026 HPUG (SU-FI)

USD$559 ≈ GBP$415

GB 16 Jul 2026

Sign in to Research →

eBay UK

Quad

The new Quad 303 Power Amplifier

USD$1,106 ≈ GBP$823

GB 16 Jul 2026

Sign in to Research →

eBay UK

Quad Stereo Power Amplifier

Quad 303 Stereo Power Amplifier - Preowned

USD$263 ≈ GBP$195

GB 14 Jul 2026

Sign in to Research →

eBay UK

Quad

Quad 303 Power Amplifier Vintage Hi-Fi Stereo Amp

USD$241 ≈ GBP$180

GB 10 Jul 2026

Sign in to Research →

eBay UK

Quad

Quad 303 Power Amplifier Vintage Hi-Fi Stereo Amp – Working, Service Required

USD$245 ≈ GBP$183

GB 10 Jul 2026

Sign in to Research →

eBay UK

Quad

Quad 303 power amplifier - Full Working Order

USD$417 ≈ GBP$313

GB 1 Jul 2026

Sign in to Research →

eBay UK

Quad

Quad 303 Power Amplifier ©HiFi Vintage

USD$367 ≈ GBP$275

GB 1 Jul 2026

Sign in to Research →