Boulder 866amplifierfeedsWilson Audio Sabrina Xspeaker
Strong match
Boulder 866 + Wilson Audio Sabrina X is a strong match — the 866 has the headroom to drive the Sabrina X cleanly.
What the compatibility check found
Impedance Matching
Pass✓ Amplifier can safely drive 4Ω speakers
Power Matching
Pass✓ Amplifier power (200W @ 4Ω) is well-matched for speaker sensitivity (87dB)
Frequency Response Matching
Couldn't verify
Power and headroom
- Headroom
- 15.5 dB
- in reserve
- Peak SPL
- 100.5 dB
- at the seat
- Power used
- 5.68 W
- at target level
- Of amp output
- 2.8%
- capacity used
Estimated at an 85 dB listening level, 3 m from the speakers.