✦Subwoofers

M421

Manufacturer
McCauley Sound
Model
M421
Code
GW-YZHN9A
Data status
Level 1 / 5
AI-parsed
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❋ Specs

10
Configuration
configuration
Quad 21" subwoofer
1
Frequency range
frequency_range_hz
20-85Hz
1
Peak SPL
max_spl_peak_db
155dB
1
Continuous SPL
max_spl_continuous_db
149dB
1
Program power
power_program_w
2000 per channel (4 channels)W
1
Impedance
impedance_ohm
8ohm
1
Sensitivity
sensitivity_db
110dB
1
Dimensions
dimensions
73.4 x 23.1 x 44 in (1864.36 x 586.74 x 1117.6 mm)
1
Weight
weight_kg
225.85kg
1
Enclosure material
enclosure_material
12-ply birch
1

Every field carries its own trust-tier: core data is confirmed by the manufacturer, peripheral data — by AI (with a source link). Safety-critical parameters (load ratings) are never published below vendor-claimed — a liability requirement.

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