BRM4v2 is a loudspeaker pair with a lightweight and rugged design, delivering accurate sound reproduction and high power handling capability. Utilizing high-quality components and advanced technology, BRM4v2 will provide you with quality sound that you can rely on.

Features:

Nominal Diameter: 4" inch
Nominal Impedance: 8 Ohm
RMS Power: 100W
Max Power: 225W
Sensitivity (1w/1m): 85.6 dB +/- 3 dB
Frequency Range: 174 - 16K Hz
Voice Coil Diameter: 1" inch
Voice Coil Length: 3/8" inch
Air Gap Height: 1/4" inch

Thiele & Small Parameters:

Resonant Frequency, FS: 174 Hz
D.C Voice Coil Resistance, Re: 5.6 Ohm
Mechanical Quality Factor, QMS: 14.9
Electrical Quality Factor, Qes: 1.49
Total quality factor, Qts: 1.35
Equivalent Air Volume to Cms, Vas: 0.65L
Mechanical Compliance, Cms: 184uM/N
Mechanical Resistance, Rms: 0.33 kg/s
BL Factor, BL: 4.29 N/A
Effective Surface Area, Sd: 5 m M
Linear Excursion, Xmax: 3/32" inch

Materials:

Basket: Steel
Cone: Paper
Surround: Trested Cloth
Voice Coil Wire: CCAW
Voice Coil bobbin: Kapton
Magnet: Ferrite

Mounting Information:

Overall Diameter: 4-15/32" inch
Bolt Circle Diameter: 4-3/32" inch
Depth: 2-7/16" inch
Net Weight: 0.8Kg (~1.76 lb)

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Speakers

BRM4v2 4" Midrange Speaker 225 Watts 8-ohms (Pair)