Bowers & Wilkins 603 S3 vs SVS Ultra Evolution Titan

The Bowers & Wilkins 603 S3 is more sensitive (90 dB vs 88 dB), so it plays louder per watt, is an easier load for a receiver (8 Ω vs 6 Ω) and costs less ($2,700 vs $4,000). The SVS Ultra Evolution Titan plays lower (27 Hz vs 46 Hz).

What each one works with

Checked against every product in our catalogue by the same engine as the compatibility checker.

	603 S3	Ultra Evolution Titan
Receivers and amps that drive it	29 of 29	29 of 29

Specs side by side

Values that differ are bold. A dash means that model doesn't publish the spec.

	603 S3	Ultra Evolution Titan
Impedance	8 Ω	6 Ω
Sensitivity	90 dB (2.83 V, 1 m)	88 dB (2.83 V, 1 m)
Low end	46 Hz	27 Hz
Drivers	1 × 25 mm, 1 × 150 mm, 2 × 165 mm	1 × 25 mm, 2 × 114 mm, 4 × 165 mm
Size	10×40×16 in	10×47×17 in
Recommended amplifier power	30–200 W	20–300 W
Weight	27.5 kg (60.6 lb)	31.6 kg (69.7 lb)
MSRP	$2,700 a pair (MSRP, September 2026)	$4,000 a pair (MSRP, September 2026)

Every spec and pairing: Bowers & Wilkins 603 S3, SVS Ultra Evolution Titan.

Try either one in your own room.

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Build with the 603 S3

Build with the Ultra Evolution Titan

References

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