SKU: 49705165402

BLAM RELAX MSA 20 - Extra-Slim Active Underseat Subwoofer

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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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4.8 ★★★★★
Based on 11 reviews
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Verified Purchase
tizpear
Charlottesville, US
★★★★★ 3
Didn’t burn me!
UPDATE: I have been using this soap for a few months now. Usually every other day, as that's when I shower. My melisma is still in full swing. Meaning it hasn't help fade it at all. HOWEVER, I haven't had any cystic acne since using it! For that alone, I will keep using it! My skin feels extra clean using it. Also, I tried it on my privates - since that seems to be all the rage lately. I was very dry and scratchy "down there" afterwards. To the point I needed to apply some lotion or something. (I ended up using some Medela nipple lanolin - figuring that was safe for nips and babies to eat.) If you are going to try to lighten your privates, just know you might feel scratchy, too. Original review: Okay, I have only used this once, but I was terrified to use it after seeing other’s reactions. I did a patch test on my inner elbow, let it sit for a few minutes, washed it off and waited 24 hrs before actually using it in my face. So far, I lathered it up and washed my face. I let it sit for about 2 mins, then washed it off. My face didn’t feel clean, so I followed up with my regular cleanser. Tomorrow, I will use my regular cleanser 1st, then use this soap. I can’t tell if it is helping with my melisma yet, but I just wanted to say that I didn’t have my adverse reactions to it. I will update after using it more. The soap smells good & lathers well. Don’t know about the lightening or brightening effect yet.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 6, 2021
B
Verified Purchase
Bernardo Bronstein
Charlottesville, US
★★★★★ 5
Effective and Gentle – Koji White Pure Kojic Acid Soap Delivers Visible Skin Brightening Results!
I’ve been using Koji White Pure Kojic Acid Skin Brightening Soap for a few weeks now, and I’m seriously impressed with the results! If you're looking for a gentle yet effective way to exfoliate, brighten, and improve the appearance of your skin, this soap is definitely worth trying. First of all, the soap is formulated with kojic acid, a powerful ingredient known for its ability to brighten skin and reduce dark spots, hyperpigmentation, and uneven skin tone. I’ve struggled with some dark spots and blemishes on my face, and after using this soap consistently, I’ve already noticed a noticeable difference. My skin looks brighter, more even-toned, and feels much smoother. The soap itself has a glycerin base, which makes it incredibly gentle on the skin. Despite its exfoliating properties, it doesn’t feel harsh or drying like some other exfoliating soaps I’ve tried. In fact, it leaves my skin feeling moisturized and soft, not tight or stripped. I appreciate that it doesn't have any harsh chemicals, making it suitable for both face and body. The lather is rich and creamy, and a little goes a long way, which makes the bar last for a decent amount of time. I use it in the shower and also apply it to my face as part of my evening skincare routine. It rinses off easily without leaving any residue behind. I also love that this soap is non-irritating, even on my sensitive skin. It doesn’t cause redness, breakouts, or any dryness, which can sometimes happen with other brightening or exfoliating products. It’s perfect for daily use, and I've felt comfortable using it both in the morning and evening. If you're looking for a natural and affordable way to brighten your skin and fade dark spots, I highly recommend Koji White Pure Kojic Acid Skin Brightening Soap. It’s effective, gentle, and delivers visible results without being harsh on your skin. After a few weeks of use, my skin feels healthier, brighter, and more radiant. Definitely a staple in my skincare routine now!
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Reviewed in the United States on November 15, 2024
F
Verified Purchase
Fatimah Ji-cheol🧸
Boise, US
★★★★★ 1
Breaks your skin out!!! Made in THAILAND not Japan
I waited a while to write a review of this Kojic Acid soap because I wanted to give it time to...work. I ordered the soap on TWO separate occasions within a span of six months. There are two bars in the box and both times I ordered, it was delivered on time, and well packaged. Why did I order this soap? I have Keratosis Pilaris and was hoping to find a soap that could help with exfoliation, as well as helping lighten hyperpigmented areas like between my thighs,and other scars or marks left behind from skin breakouts. Usually,I use glycolic peels and lactic acid to help with hyperpigmentation since I have more of a chocolate complexion. So I thought I would give this soap a try. I will begin with the positives. First,this soap is nicely packaged and smells like...ORANGES! The first month,I used the soap... not everyday but a few times a week. I LOVED IT! Between my thighs is lighter now and my skin would feel exfoliated after leaving it on for about five minutes,and then rinsing it off. THEN..... After a few months of using it, MY SKIN STARTED TO BREAK OUT. I'm talking about first,my skin would become EXTREMELY ITCHY. Then little bumps would pop up all over my body. I never had blemishes on my chest area. NOW I DO. I wanted this soap to help me get rid of blemishes! Not to cause them. Even as I type out this review,my skin is itching terribly! I used the soap this morning. My skin is always a bit dry afterwards,but then I use lotion or oil to moisturize. At this point,I am SURE it is this soap that is causing grief. Since I am dark skinned,I now have to repair the damage done from this soap. It's upsetting honestly. I know some people will STILL purchase this soap even though there are numerous reviews of it breaking peoples skin out.But just know,you've been warned about the adverse affects. I'm going to go back to using glycolic acid and lactic acid to help fade blemishes and exfoliate. I will never purchase this soap again.
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Reviewed in the United States on June 17, 2018
H
Verified Purchase
Hal B.
New York, US
★★★★★ 5
Best Soap
Great soap. Eliminates old person smell and lightens dark spots.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 14, 2026
A
Verified Purchase
Amazon Customer
Waukegan, US
★★★★★ 5
Koji soap works!
Soap works amazing on skin discoloration!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 9, 2026

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