---
product_id: 289525714
title: "FKB108 Formula Series 2-Way Coaxial Speakers (3.5\"), 9.90in. x 5.90in. x 2.80in."
brand: "mb quart"
price: "VT25550"
currency: VUV
in_stock: true
url: https://www.desertcart.vu/products/289525714-fkb108-formula-series-2-way-coaxial-speakers-3-5-9
store_origin: VU
region: Vanuatu
---

# Aluminum dome tweeters for crisp highs Butyl rubber surrounds for durability 3.5" precision drivers FKB108 Formula Series 2-Way Coaxial Speakers (3.5"), 9.90in. x 5.90in. x 2.80in.

**Brand:** mb quart
**Price:** VT25550
**Availability:** ✅ In Stock

## Summary

> 🎶 Elevate your sound game with precision and power — don’t just listen, experience it!

## Quick Answers

- **What is this?** FKB108 Formula Series 2-Way Coaxial Speakers (3.5"), 9.90in. x 5.90in. x 2.80in. by mb quart
- **How much does it cost?** VT25550 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/289525714-fkb108-formula-series-2-way-coaxial-speakers-3-5-9)

## Best For

- mb quart enthusiasts

## Why This Product

- Trusted mb quart brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Built to Last:** Butyl rubber surrounds ensure enhanced durability and deeper mid-bass impact for powerful sound.
- • **Crystal-Clear Highs:** Aluminum dome tweeters deliver extended frequency response for natural, detailed music reproduction.
- • **Seamless Installation:** Textured ABS gasket guarantees a rigid, linear seal for a perfect, vibration-free mount.
- • **Powerful Magnetic Performance:** Pure copper voice coil generates a strong magnetic field for dynamic, precise audio output.
- • **Immersive WIDESHERE Soundstage:** Experience a broad 'sweet spot' that fills any space with rich, balanced audio.

## Overview

The MB Quart FKB108 Formula Series 2-Way Coaxial Speakers (3.5") combine advanced aluminum dome tweeters and durable butyl rubber surrounds to deliver crisp highs and deep mid-bass. Featuring a WIDESHERE design for a wide listening sweet spot, a textured ABS gasket for secure mounting, and a pure copper voice coil for strong magnetic performance, these speakers offer professional-grade sound clarity and longevity in a compact form.

## Description

MB Quart FKB108 Formula Series 2-Way Coaxial Speakers (3.5"), 9.90in. x 5.90in. x 2.80in.

## Features

- WIDESHERE creates a large "sweet spot" for all listeners, even from the smallest speakers
- Aluminum dome tweeters deliver high output, extended frequency response & natural music reproduction
- Butyl rubber surrounds provide durability & deeper mid-bass impact
- Textured ABS gasket assures a rigid linear seal to the mounting surface
- Pure copper voice coil creates a strong magnetic field with a very thin extrusion

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Subwoofer Connectivity Technology | Wired |
| Connectivity Protocol | Coaxial |
| Connectivity Technology | Bluetooth |
| Audio Driver Type | Dynamic Driver |
| Item Weight | 1.96 Pounds |
| Item Dimensions D x W x H | 5.9"D x 9.9"W x 2.8"H |
| Unit Count | 2.0 Count |
| Power Source | Corded Electric |
| Number of Audio Channels | 2.0 |
| Frequency Response | 6 KHz |
| Speaker Maximum Output Power | 400 Watts |
| Compatible Devices | Amplifier |
| Speaker Size | 3.5 Inches |
| Tweeter Diameter | 2.54 Centimeters |
| Controller Type | Remote Control |
| Color | Black |
| Is Waterproof | False |
| Control Method | Voice |
| Audio Output Mode | Stereo |
| Mounting Type | Car Mount,Coaxial |
| Speaker Type | Coaxial |
| Additional Features | Pure copper voice coi |
| Recommended Uses For Product | For Surround Sound Systems |
| Subwoofer Diameter | 9.9 Inches |

## Product Details

- **Brand:** MB Quart
- **Speaker maximum output power:** 70 Watts
- **Frequency response:** 6 KHz
- **Connectivity technology:** Bluetooth
- **Audio output mode:** Stereo

## Images

![FKB108 Formula Series 2-Way Coaxial Speakers (3.5"), 9.90in. x 5.90in. x 2.80in. - Image 1](https://m.media-amazon.com/images/I/6129+oiRpuL.jpg)

## Questions & Answers

**Q: Do these come as a pair?**
A: Comes as a pair in the single box.

**Q: are the pair 400w**
A: No 200w each

**Q: is it 4 ohms?**
A: Yes 4 ohms

**Q: Will these fit on a 2002 dodge ram dash. they ask for 3.5. thee say 3.5 in title but 2.8 in product detail?**
A: 3.5 will fit. Anything smaller will be tweeters

## Frequently Bought Together

- MB Quart FKB108 Formula Series 2-Way Coaxial Speakers (3.5"), 9.90in. x 5.90in. x 2.80in.
- MB Quart FKB169 MB Quart Formula 6 x 9-Inch 2-Way Car Speakers, Black
- MB Quart FKB116 Formula Car Speakers (Black, Pair) – 6.5 Inch Coaxial Speakers, 60 Watt, 3-Way Car Audio, Internal Crossover, 1 Inch Tweeters (Grills Not Included)

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**Shop now:** [https://www.desertcart.vu/products/289525714-fkb108-formula-series-2-way-coaxial-speakers-3-5-9](https://www.desertcart.vu/products/289525714-fkb108-formula-series-2-way-coaxial-speakers-3-5-9)

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*Product available on Desertcart Vanuatu*
*Store origin: VU*
*Last updated: 2026-05-04*