SKU: 49705165402

BLAM RELAX MSA 20 - Extra-Slim Active Underseat Subwoofer

Sale price$123.75 Regular price$137.50
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Ships within 48 hours · Estimated delivery Aug 7 - Aug 12

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Description

BLAM RELAX MSA 20 - Extra-Slim Active Underseat SubwooferThe RELAX MSA20 20 cm extra slim subwoofer with integrated 240 W amplifier from BLAM makes it easy to improve the quality of your original audio installation by adding bass without reducing too much space in the vehicle. At a height of only 65mm (66mm with Grill) the MSA20 slim design allows for easy installation in multiple locations throughout the vehicle. It fits perfectly under the seats of a van or SUV, or even on the rear bulkhead of a

The RELAX MSA20 20 cm extra-slim subwoofer with integrated 240 W amplifier from BLAM makes it easy to improve the quality of your original audio installation by adding bass without reducing too much space in the vehicle. At a height of only 65mm (66mm with Grill) the MSA20 slim design allows for easy installation in multiple locations throughout the vehicle. It fits perfectly under the seats of a van or SUV, or even on the rear bulkhead of a convertible or pickup. The sound will be immediately more powerful and enveloping, creating a new listening experience that will transform your simple journeys into moments of pure pleasure. 

What are the benefits of under seat subwoofers?

Under seat subwoofers are a fantastic solution for anyone looking to enhance their vehicle's audio experience without compromising on space. These compact devices are ingeniously designed to fit snugly under your seats, delivering powerful bass without overwhelming your cargo area. This makes them an ideal choice for sedans, SUVs, and trucks alike, where trunk space can often be limited.

One of the greatest advantages of under seat subwoofers is their ability to significantly improve sound quality. They are engineered to produce deep, rich bass that elevates music enjoyment, whether you're a fan of booming hip-hop beats or intricate jazz arrangements. With easy installation options, many drivers can upgrade their sound systems without needing extensive modifications or professional assistance.

Aside from their performance benefits, under seat subwoofers also maintain a clean aesthetic in your vehicle. Unlike traditional subwoofers that can take up considerable space, these sleek units blend effortlessly into your car's interior. The result? You can enjoy vibrant sound quality while preserving the minimalist look of your vehicle without cluttering your trunk with bulky equipment.

In conclusion, if you're looking to boost the bass in your vehicle's sound system while keeping your cargo area versatile and spacious, an under seat subwoofer is an excellent choice. It’s a perfect blend of functionality and design, catering to audiophiles and everyday drivers alike.

Technical Details

  • Complete solution to easily add bass to an original system.
  • 20 cm extra-flat die-cast aluminium subwoofer with integrated 240 W amplifier

Composition

  • Amplifier: Maximum power 240 W / Nominal power 120 W
  • Compatible with most original car radios
  • High level inputs with automatic start-up
  • RCA inputs
  • Frequency response: 50 Hz – 150 Hz
  • Bass boost (45Hz) adjustable from 0 to 12 dB
  • Fixed subsonic filter: 20 Hz
  • LPF (low pass filter): 50 Hz- 150 Hz / 12dB
  • Phase adjustment: 0/180
  • Supply voltage: 10 – 16 VDC
  • Extra-flat 20 cm (8″) subwoofer
  • Moving coil: 2 Ω 50 mm (2”)
  • Wired volume control (5 m cable)
  • Dimensions: W 290 mm x H 210 mm x L 65 mm
  • Weight : 3.9 Kg

Supplied Accessories:

  • Instructions for use
  • Wired remote control
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 49705165402

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LDC
Bozeman, US
★★★★★ 5
Very protective iPad case
Color: 1-Navy Blue
This MoKo iPad case is excellent! It fits perfectly and provides great protection without adding bulk. The navy blue color looks very sleek, and the translucent back shell is a nice touch. It’s super magnetic, with great padding. The smart cover works flawlessly with the auto wake/sleep feature, and the cutouts line up perfectly for Touch ID. Lightweight, durable, and a fantastic value!
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Reviewed in the United States on May 24, 2026
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RippedOff
Houston, US
★★★★★ 5
Fits the new iPads. Buttons are easily accessible.
Color: 1-Navy Blue
Fits the new iPad. Buttons are easy to reach, and it protects the screen with a soft fell back. Easy white clean vinyl on the outside. It has open vent spots so your device can cool. Slim and sleek. A great value for the money. Buttons are easily accessible. High-quality.
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Reviewed in the United States on April 21, 2026
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Grinosca Garcia
Birmingham, US
★★★★★ 5
Perfect, it fits like a glove.
Color: 1-Navy Blue
I really liked the sleeve, the navy blue color looks very elegant and the material feels resistant but soft to the touch. What I like the most is that the back is translucent, so you still see the design of the tablet. It works great for watching videos because it stands firm when folding it, and turning off the screen alone when closing it is very practical. Because of the price it has, the quality is excellent.
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Reviewed in the United States on April 26, 2026
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Denny
Los Angeles, US
★★★★★ 5
Great Protective Case for My Mother’s iPad
Color: 2-Watermelon Red, Color: 2-Watermelon Red
I bought this case along with my mother’s new iPad, and it was the perfect choice. The watermelon red color looks beautiful with the pink iPad and gives it a very clean and stylish look. The case feels sturdy without adding too much weight, which makes it comfortable for her to carry around and use every day. The stand feature works really well for watching videos, reading, and video calls. I also like that the case supports the auto wake and sleep function, which makes the iPad feel even more convenient and easy to use. The cutouts fit perfectly, and Touch ID still works without any issues. The translucent back is a nice touch because it still lets the iPad color show through while keeping it protected from scratches and bumps. Overall, this case exceeded expectations and makes a great addition for anyone wanting both protection and style for their iPad.
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Reviewed in the United States on May 14, 2026
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Leon
Alexandria, US
★★★★★ 4
Good product. What you see is what you get.
Color: 1-Navy Blue
Material feels sturdy and was a perfect fit compatible for my iPad. There's adequate grip and padding for a comfortable yet slim feel. Magnets hold it close and in one position when propping it up for watching landscape videos. Back is translucent as advertised. Solid product, put it on as i opened my new ipad for immediate protection. Perfectly safe blind buy if you're also getting that 'frequently bought together' suggestion from Amazon.
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