BLAM RELAX BM 100NC (BMW and Mini) 100 mm (4 inch) 2ohm, 2-Way Coaxial car audio speakers (PAIR)

• Speaker: Coaxial
• Max power: 100 W
• Nominal power: 50 W
• Impedance: 2 Ω
• Freq. Response: 80 Hz - 30 kHz
• Sensitivity (2,83V/1m): 90.3 dB
• Magnet: Neodymium
• Motor size Ø x h: 24.5 x 6 mm (0.965‘’x 0.236‘’)
• Total driver displacement: 0.06 (0.002 cf)
• Weight of one component: 0.293 kg (0.646 lb)
• Voice coil Ø: 25 mm 0.984“
• Voice coil height: 9.6 mm 0.378“
• Cone: Fiberglass

• effective Ø (d) 84 mm
• Sd 55.42cm²
• Xmax 3 mm
• Re 2.54 Ω
• Fs 124.77 Hz
• Le 2.40 µH @ 1 kHz
• L2 438.86 µH @10 kHz
• Vas 1.16 L
• Mms 6.08 g
• Cms 0.267831 m/N
• BL 3.48 Tm
• Qts 0.88
• Qes 1.00
• Qms 7.53
• Sensitivity 85.5 dB

Dimensions

Are 10cm/ 4 inch speakers good for my vehicle?

4-inch or 10cm speakers are a compact audio solution that delivers impressive sound quality in a small package. Ideal replacements in popular smaller 3-door cars like the Vauxhall Corsa D and select Alfa Romeo, Fiat, and BMW, these lightweight speakers can easily be installed in rear doors, ensuring an unobtrusive fit. Despite their size, they produce powerful and immersive audio, making them perfect for music lovers who seek clarity without the bulk of larger equipment. Whether you're upgrading your vehicle's sound system or simply looking to reduce the size of your car audio set up, 4-inch speakers provide a remarkable audio experience that doesn’t compromise on performance.

What size speakers are in my car? 

If your unsure what speakers fit your car we would recommend using our market-leading Search By Car feature