Description
Tab panes
The BLAM Signature S 3.55 is a premium pair of 3.5″ (90 mm) midrange speakers designed for high-fidelity car audio systems. Engineered to deliver stunning clarity in the midrange, each speaker features a treated paper cone, aluminium phase plug, and oversized neodymium magnet for outstanding detail and efficiency.
With a frequency response of 200 Hz to 27 kHz and a 3 Ω impedance, they’re ideal for use in active 2- or 3-way systems—especially in A-pillars or dashboards where wide dispersion and tonal balance are crucial.
Supplied as a pair and crafted by BLAM Audio in France, the S 3.55 speakers are available exclusively in the UK through InCarTec, trusted by top installers and car audio retailers across the globe.
Product Features
- Supplied as a matched pair
- 3.5″ (90 mm) wideband car speakers for midrange applications
- Treated paper cones for clear, natural sound
- Aluminium phase plugs enhance off-axis performance
- Neodymium magnet system for compact power and efficiency
- Frequency response: 200 Hz – 27 kHz
- Nominal impedance: 3 Ω
- Power handling: 50 W RMS / 100 W max
- Designed for use in active DSP-controlled systems
- Engineered by BLAM Audio, distributed by InCarTec
Composition
- Extended frequency range, can be used as a full range
- Frequency response 200 Hz – 27 KHz
- Recommended housing: 0.3 liters – 1.9 liters
- Die-cast aluminum basket
- Ultra-rigid carbon fiber cone
- NBR surround
- Long-life “conex” spider
- 20 mm voice coil, fiberglass support
- Oversized 55 mm x 10 mm magnetic motor
- Machined aluminum phase plug
- Gold-plated terminal block. Motor
- Machined aluminum phase plug
- Gold-plated terminal block.
S 3.55 Technical Specifications Sheet
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.
Any Car – Any Car (No year)







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