Fixed voltage & constant impedance ceiling speakers LARK203

Lark Series Architectural Series Fixed Voltage & Fixed Resistance Ceiling Speaker
Double cavity design™
Front-guided design™
Bass enhancement technology™
Two-in-one design of constant pressure and fixed resistance
Speaker unit:
Treble: 1 inch (25 cores) NdFeB neodymium magnet, silk film
Mid-bass: 5.25-inch (25-core) powder magnet, composite paper basin
Frequency: 60Hz-15K
Output power: 30~60W
Power RMS: 70V/100V (30 W)
Sensitivity: 86dB/W/m (±3dB)
Maximum sound pressure: 108dB
Frequency division: 2.5k
Impedance: 4Ω
Hole size: φ205mm
Installation depth: 126mm
Shell: ABS
Color: white