Cambridge Audio CXA81amplifierfeedsKlipsch Heresy IVspeaker
Strong match
Cambridge Audio CXA81 + Klipsch Heresy IV is a strong match — the CXA81 has the headroom to drive the Heresy IV cleanly.
What the compatibility check found
Power Matching
Pass✓ Amplifier power (80W @ 8Ω) — power handling unverified (no manufacturer power-handling spec available for this speaker); sensitivity 99dB
Impedance Matching
Couldn't verifyInsufficient specification data to verify impedance compatibility
Add impedance specifications to verify compatibility
Power and headroom
- Headroom
- 23.5 dB
- in reserve
- Peak SPL
- 108.5 dB
- at the seat
- Power used
- 0.36 W
- at target level
- Of amp output
- 0.4%
- capacity used
Estimated at an 85 dB listening level, 3 m from the speakers.