Best Integrated Amplifiers · head-to-head

Yamaha A-S801 vs Rega Elex Mk4

A sourced, side-by-side comparison. Yamaha A-S801 is cheaper at $1099. Every spec and price links to its source.

Which is better: the Yamaha A-S801 or Rega Elex Mk4?

The Rega Elex Mk4 wins 1 of the 1 specs we compare head to head; the other wins 0. The Yamaha A-S801 is the cheaper at $1099. Get the Rega Elex Mk4 for the stronger spec sheet, the Yamaha A-S801 to spend less.

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Full spec sheet

✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.

Spec Yamaha A-S801 Rega Elex Mk4
US price $1099 $1895
BrandYamahaRega
Released——
Power per channel8 ohm (W) 100 72
Power per channel4 ohm (W) — —
Amplifier class — AB
Thd percent 0.019 —
Snr (dB) 99 —
Built in dac Yes Yes
Phono stage MM MM
Bluetooth No No
Analog inputs — 4
Digital inputs — 2
Headphone output Yes Yes
Weight (kg) 12.1 11

Sources — Yamaha A-S801: usa.yamaha.com (verified 2026-09-28). Rega Elex Mk4: rega.co.uk (verified 2026-07-13).

What's the difference between the Yamaha A-S801 and Rega Elex Mk4?

Where the two actually differ on the specs we track (2 of 12). Matching specs are omitted.

  • Power per channel8 ohm (W): Yamaha A-S801 100 vs Rega Elex Mk4 72
  • Weight (kg): Yamaha A-S801 12.1 vs Rega Elex Mk4 11

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