NAD M33amplifierfeedsBowers & Wilkins 804 D4speaker
Strong match
NAD M33 + Bowers & Wilkins 804 D4 is a strong match — the M33 has the headroom to drive the 804 D4 cleanly.
What the compatibility check found
Power Matching
Pass✓ Amplifier power (200W @ 8Ω) is well-matched for speaker sensitivity (89dB)
Impedance Matching
Couldn't verifyInsufficient specification data to verify impedance compatibility
Add impedance specifications to verify compatibility
Power and headroom
- Headroom
- 17.5 dB
- in reserve
- Peak SPL
- 102.5 dB
- at the seat
- Power used
- 3.58 W
- at target level
- Of amp output
- 1.8%
- capacity used
Estimated at an 85 dB listening level, 3 m from the speakers.