Take your music experience to a new level with the 4 Inch (100mm) Relax 100 RFS speaker set from BLAM. This set brings state of the art technology and high quality sound at a low cost. The Relax 100 RFS is the latest update to the popular 100RS standalone series and offers an extended reproduction range for low and high frequencies. Thanks to its high sensitivity and two-ohm voice coils, this set is ideal as an upgrade for your car. Installation is easier with the new, robust composite chassis and the compact distribution filters for the tweeters.
Product Features
- 2 x 100 mm (4″) woofers
- 2 x 20 mm soft dome tweeters
- 2 x 6 dB/octave high-pass crossovers.
- Max power 100 W
- Nominal power 50 W
- Frequency response 80 Hz – 30 kHz
- Sensitivity 90.3 dB
- Impedance 2 Ω
Technical Features (Speakers)
- Original BLAM composite basket reinforced with fiberglass
- High quality treated cellulose pulp membrane
- Butyl rubber surround
- Long life “Conex” damper
- 25 mm (1”) voice coil on Kapton former
- 70 mm x 15 mm ferrite magnet
- Thick magnetic circuit (4 mm)
- High quality 20 mm (3/4”) soft dome tweeter
- 6 dB/octave high pass crossover
- Tweeter level adjustable to 0 dB or attenuated to -3 dB
Technical Specifications (Speakers)
- Component Speaker
- Max power 100 W
- Nominal power 50 W
- Impedance 2 Ω
- Freq. Response 80 Hz - 15 kHz
- Sensitivity (2,83V/1m) 90.3 dB
- Magnet Ferrite
- Magnet size Ø x h 70 x 15 mm 2.756‘’x 0.591‘’
- Total driver displacement 0.11 l 0.004 cf
- Weight of one component 0.578 kg 1.274 lb
- Voice coil Ø 25 mm 0.984“
- Voice coil height 8.4 mm 0.331“
- Cone Cellulose pulp
Technical Parameters
- effective Ø (d) 84 mm
- Sd 55.42 cm²
- Xmax 2 mm
- Re 2.6 Ω
- Fs 109.87 Hz
- Le 97.33 µH @ 1 kHz
- L2 157.34 µH @10 kHz
- Vas 1.76 L
- Mms 5.16 g
- Cms 0.000407 m/N
- BL 3.49 Tm
- Qts 0.66
- Qes 0.77
- Qms 4.72
Supplied Accessories
- Mounting screws
- Mounting accessories for tweeters
- User manual
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
Dimensions
Brand: BLAM
Car models: The years stated refer to the model's years of manufacture, please check the item description for information about any changes there may be within these productions years.
Eagle - Summit (1992 - 1996)
Landrover - Defender Facelift (2007 - 2016)
