BLAM MB 690 – 6" x 9" (152 mm x 229 mm) Signature Multix Woofer (Pair)

The BLAM MB 690 Signature Series woofer is expertly designed to deliver outstanding performance in a classic 6" x 9" configuration. With a maximum power output of 250 W and a nominal rating of 125 W, it offers a wide frequency response from 55 Hz to 4.5 kHz and a low impedance of 2 Ω, ensuring deep, accurate bass and detailed midrange reproduction.

Built with an ultra-rigid 3K carbon fiber diaphragm, the MB690 guarantees high resistance and crystal-clear sound. The NBR perimeter suspension and double spider with integrated braids provide optimum cone control, minimizing distortion for a clean, natural sound. Its 38 mm voice coil, mounted on a fiberglass former, ensures excellent thermal management and rapid transient response, even under demanding conditions.

Featuring an oversized 10-bar neodymium magnet and a machined aluminum ogive, this woofer benefits from enhanced rigidity and improved efficiency, delivering powerful, precise output. Gold-plated terminal blocks provide durable, high-quality connectivity. Matched to a tolerance of ±1 dB, the MB690 ensures perfect sound coherence, making it ideal for high-end custom 2-way or 3-way active audio systems.

Available exclusively through InCarTec, the official UK distributor of BLAM Audio, and trusted by professional installers worldwide.

Key Features

• Signature Multix Woofer 152 mm x 229 mm (6" x 9")
• Max. Power 250 W – Nominal Power 125 W
• Frequency Range: 55 Hz – 4.5 kHz
• Impedance: 2 Ω

Technical Specifications

x2 Woofer MB690

• Signature – Multix 6″x9″ Woofer
• Size: 6×9" (160×230 mm)
• Max Power: 250 W
• Nominal Power: 125 W
• Frequency Response: 55 Hz – 6 kHz
• Impedance: 3 Ω
• Ultra-rigid carbon fiber diaphragm
• Cast aluminum basket
• Oversized neodymium magnet
• Fiberglass voice coil support
• Gold-plated terminal block
• Matched to ±1 dB

Technical Specifications Sheets (MB690)

You might also require (Sold Separately)

• Trim Panel Tool Set - A must have for any installer who has to remove plastic trims, to avoid damage to the delicate finishes on both interior and exterior dashboards and panels. These trim tools are made from a nylon with a non-damaging finish to avoid cosmetic blemishes to the interior or exterior of your vehicle from removing panels and trim.
• Speaker Grilles - If your car speakers are exposed then use speaker our 165mm Grilles for a more discrete appearance and offer a form of protection to kicks and knocks.
• Sound Deadening - Sound deadening can vastly enhance your vehicles sound upgrade by reducing sound vibration, eliminating outside road noise and creating a more acoustic environment, magnifying the sound quality of your system.
• Sound Deadening Tool - Professional sound deadening roller tool designed to allow even pressure when applying sound deadening on the surface of the car, minimising air bubbles and helping to achieve the best possible adhesion. 
• Speaker Baffles - Designed to fit any 165mm speaker, these adjustable speaker baffles creates a flexible seal around the back of the speakers, protecting them from water that gets inside doors and interior panels. Additionally it provides a barrier stopping interference between sound from the front and rear of the speakers from having a negative effect on sound quality.
• Led Headlamp Torch - Gives great visibility when working on a vehicle in the workshop, great for locating those dark hard-to-see locations during an installation.

• Disposable Gloves - Offer great protection for your hands during installations. Also trusted across various sectors, including automotive, agriculture, healthcare, food and catering, manufacturing, and more.