Low-midrange speaker equipped with a high quality cellulose pulp membrane associated with a butyl peripheral surround. The generous dimensions of the motor (85 x 17 mm) contribute to an optimal QTS for powerful and controlled bass. The tweeter is equipped with a neodymium motor, a soft dome and a 20 mm coil with CCAW wire (Copper Aluminum Alloy). except for the 690RC which is equipped with a 25 mm tweeter.

Replace your mediocre factory-installed speakers and relax to your favorite tunes. The result of 25 years of experience, BLAM French Sound systems are designed to produce incredible sound for the price of a standard product. With or without amplifier, thanks to their high efficiency, they provide a clear and powerful sound that will transform your trips into pure moments of pleasure…

BLAM wishes you many hours of fun.

Technical specification

This kit includes 2 loudspeakers 127 x 178 mm (5” x 7”), 2 soft dome tweeters 20 mm and 2 high-pass 6dB/octave crossovers with adjustable tweeter level 0 dB or -3 dB.

Speaker 127 x 178 mm (5” x 7”)

Maximum power 120 W / Nominal power 60 W

Frequency response 75 Hz – 28 kHz

Sensitivity 94 dB – Impedance 2 Ω

Composition

570 RS WOOFER

Speaker 127 x 178 mm (5” x 7”)

Max power 120 W / Nominal power 60 W

Steel basket – High quality cellulose pulp membrane – Butyl perimeter surround – Long life ”Conex” spider – 25 mm (1”) coil – 85 mm x 17 mm magnetic motor

RT20 TWEETER

High-quality 20 mm soft-dome tweeter

Maximum power 100 W / Rated power 10 W

Frequency response 2.5 kHz – 25 kHz

Sensitivity 90 dB – Impedance 3 Ω

High-efficiency neodymium motor – High-quality soft dome – Ferrofluid

High pass 6 dB/octave crossovers

Adjustable tweeter level 0 dB or attenuated -3 dB