BLAM presents the RELAX BM 100NC, a set of innovative 2-way 4 Inch (100mm) coaxial speakers perfectly designed for BMW and Mini car models. With features such as a 20mm coaxially mounted tweeters, a 100mm midrange driver and a strong, lightweight fiberglass cone, this coaxial offers superior sound quality for you BMW or Mini. Powered by an ultra-powerful neodymium magnet and equipped with an integrated 6dB crossover, the RELAX BM 100NC guarantees impressive performance and sensitivity. These Coaxial speakers are exclusively designed for work with specific BMW and Mini car models thanks to the OEM baskets being specially designed to fit the original mounting holes in the vehicle.

Technical Features

• 100mm (4"/ inch) coaxial speakers
• 20mm tweeter, coaxially mounted
• Rigid and lightweight glass fiber cone
• Ultra powerful neodymium magnet
• Integrated 6 dB crossover
• Sensitivity (2.83 V / 1m) 88 dB
• Frequency response 80 Hz - 30 kHz
• OEM baskets, for use in the original installation openings!
• Maximum power: 100 W
• RMS power: 50 W
• Impedance 2 ohms

Technical Specifications

• 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

Technical Parameters

• 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

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.

Dimensions

Note: This item/pack is sold as a pair and contains 2 speakers.