Bowers & Wilkins HTM6 S3 vs MartinLogan Motion XT C100
The Bowers & Wilkins HTM6 S3 is an easier load for a receiver (8 Ω vs 5 Ω) and costs less ($900 vs $1,600). The MartinLogan Motion XT C100 is more sensitive (93 dB vs 87 dB), so it plays louder per watt and plays lower (42 Hz vs 72 Hz).
What each one works with
Checked against every product in our catalogue by the same engine as the compatibility checker.
| HTM6 S3 | Motion XT C100 | |
|---|---|---|
| Receivers and amps that drive it | 29 of 29 | 28 of 29, 14 after a setting change |
Specs side by side
Values that differ are bold. A dash means that model doesn't publish the spec.
| HTM6 S3 | Motion XT C100 | |
|---|---|---|
| Impedance | 8 Ω | 5 Ω |
| Sensitivity | 87 dB (2.83 V, 1 m) | 93 dB |
| Low end | 72 Hz | 42 Hz |
| Drivers | 1 × 25 mm, 2 × 130 mm | 1 × 32 mm, 2 × 165 mm |
| Size | 19×6×10 in | 24×8×14 in |
| Recommended amplifier power | 30–120 W | 20–300 W |
| Weight | 7.7 kg (17 lb) | 15.4 kg (34 lb) |
| MSRP | $900 each (MSRP, September 2026) | $1,600 each (MSRP, September 2026) |
Every spec and pairing: Bowers & Wilkins HTM6 S3, MartinLogan Motion XT C100.
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References
- Bowers & Wilkins HTM6 S3: Spec sheet, bowerswilkins.com, retrieved September 15, 2026
- Bowers & Wilkins HTM6 S3: Manufacturer product page, bowerswilkins.com, retrieved September 15, 2026
- MartinLogan Motion XT C100: Spec sheet, martinlogan.com, retrieved September 15, 2026
- MartinLogan Motion XT C100: Retailer listing, audioadvice.com, retrieved September 15, 2026
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