---
product_id: 52181903
title: "BOSS AUDIO ask902b.6 500 W 4-Channel Bluetooth Amplifier and a 180 W Marine Speakers Pair in Set"
brand: "boss audio systems"
price: "฿47112"
currency: THB
in_stock: true
reviews_count: 5
category: "Boss Audio Systems"
url: https://www.desertcart.co.th/products/52181903-boss-audio-ask902b-6-500-w-4-channel-bluetooth-amplifier
store_origin: TH
region: Thailand
---

# Marine-grade treated speaker membrane Bluetooth wireless music streaming 500W max power 4Ω amplifier BOSS AUDIO ask902b.6 500 W 4-Channel Bluetooth Amplifier and a 180 W Marine Speakers Pair in Set

**Brand:** boss audio systems
**Price:** ฿47112
**Availability:** ✅ In Stock

## Summary

> 🎶 Ride the wave of wireless marine sound mastery!

## Quick Answers

- **What is this?** BOSS AUDIO ask902b.6 500 W 4-Channel Bluetooth Amplifier and a 180 W Marine Speakers Pair in Set by boss audio systems
- **How much does it cost?** ฿47112 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/52181903-boss-audio-ask902b-6-500-w-4-channel-bluetooth-amplifier)

## Best For

- boss audio systems enthusiasts

## Why This Product

- Trusted boss audio systems brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Compact & Lightweight:** Sleek 19.7 x 9.5 x 3.2 cm design weighing just 2.5 kg, perfect for tight spaces without compromising power.
- • **Powerhouse Performance:** Unleash 500 watts of crystal-clear sound with the 4-channel Class A/B amplifier designed for 4Ω stability.
- • **Versatile Connectivity:** Supports AUX and low-level inputs for flexible integration with your existing audio setup.
- • **Marine-Ready Durability:** Specially treated polycarbonate speaker membranes and rubber surrounds ensure weatherproof audio excellence on boats and ATVs.
- • **Seamless Wireless Control:** Stream your favorite playlists effortlessly via Bluetooth from Spotify, Pandora, or any app—no head unit needed.

## Overview

The BOSS AUDIO ASK902B.6 is a 4-channel 500W max power Class A/B amplifier paired with 6.5-inch marine-grade speakers delivering 180W max power. Engineered for outdoor and marine environments, it features Bluetooth wireless streaming, AUX inputs, and a rugged design ideal for boats and ATVs. Compact and powerful, it offers an outstanding price-to-performance ratio for audiophiles on the move.

## Description

This set includes the BOSS Audio MC900B amplifier as well as a pair of MR6W 6.5 inch speakers with poly carbon membrane and a rubber surround. The 4-ohm stable amplifier has 500 watts of power with a MOSFET power supply. The membrane of the marine speaker has been specially treated to make it suitable for external use. The set is therefore ideal for use on boats, ATVs etc. and comes completely without a head unit, as it can be controlled via the smartphone, iPod etc. The price/performance ratio is outstanding.

Review: Ok... pues hoy lo instale y se escucha muy fuerte y claro, para el precio me parece muy bien, superó mis expectativas..
Review: Se adapta a mis necesidades por completo. Llegaron en un periodo de 10 a 13 días. Para mi gusto solo quedaría que fuese PRIME. Por el resto son perfecto

## Features

- 4-channel amplifier MC900B 500 Watt Max Power at 4 Ω, RMS Power @ 4 Ohm, 4x 94 W Class A/B amplifier
- Speaker Set MR6 W 180 watt max 90 Watt RMS Power per pair
- Multifunction Bedienung
- AUX/Low Level Inputs
- Wireless Playback of music and apps such as Spotify, Pandora

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00VFZ0AAE |
| Best Sellers Rank | 62 in Car Audio & Video Stereo Amplifiers 82 in Car Multichannel Amplifiers 8,104 in Car Audio & Video Accessories |
| Brand | BOSS Audio Systems |
| Customer Reviews | 4.2 4.2 out of 5 stars (296) |
| Date First Available | 1 April 2015 |
| Item Weight | 2.5 kg |
| Item model number | ASK902B.6 |
| Manufacturer | BOSS AUDIO |
| Manufacturer part number | ASK902B.6 |
| Product Dimensions | 19.69 x 9.53 x 3.18 cm; 2.5 kg |
| Voltage | 12 Volts (DC) |
| Wattage | 500 watts |

## Product Details

- **Item dimensions L x W x H:** 19.7 x 9.5 x 3.2 centimetres
- **Manufacturer:** BOSS AUDIO
- **Maximum supply voltage:** 12 Volts (DC)
- **Mounting type:** Through-Hole Mount
- **Voltage:** 12 Volts (DC)

## Images

![BOSS AUDIO ask902b.6 500 W 4-Channel Bluetooth Amplifier and a 180 W Marine Speakers Pair in Set - Image 1](https://m.media-amazon.com/images/I/81nWwXY4nGL.jpg)

## Questions & Answers

**Q: What are the dimensions of the amp and the remote(with mount)?**
A: Hello, The dimensions of the Amplifier are 7.8 x 3.8 x 1.2 inches, the remote cut out dimensions for Flush Mount are 3-3/6" W x 1-11/16" H. The ASK902B.6 can also be Surface Mounted in this case the flush mount bezel has two recessed screw holes to facilitate the included two oval-head screws.

**Q: How do i hook up a sub?**
A: Hello,
The ASK902B.6 cannot power a subwoofer itself. However,  it does feature a set of RCA outputs in which you will need a separate amplifier to power a subwoofer.
Thank you!

**Q: What is the diffrance from the boss ask902b.6 and the ask902b.64?**
A: Hello,
The difference is how many speakers come with the package. The ASK902B.6 has 1 pair of 6.5" speakers. The ASK902B.64 has 2 pairs of 6.5" speakers. 
Thank you!

**Q: Is the remote wireless?**
A: Yes, you could use your iPhone as remote control

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by D***Y on 31 August 2025*

Ok... pues hoy lo instale y se escucha muy fuerte y claro, para el precio me parece muy bien, superó mis expectativas..

### ⭐⭐⭐⭐⭐ Review
*by R***N on 12 February 2022*

Se adapta a mis necesidades por completo. Llegaron en un periodo de 10 a 13 días. Para mi gusto solo quedaría que fuese PRIME. Por el resto son perfecto

### ⭐⭐⭐⭐⭐ Review
*by A***R on 17 August 2025*

Installed in 30 minutes. Sounds great

## Frequently Bought Together

- BOSS Audio Systems ASK902B.6 Marine Boat 6.5 inch Speakers and 4 Channel Amplifier Package - 500 High Output, Bluetooth Remote, Waterproof Pouch
- BOSS Audio Systems MR6W 6.5 Marine Speakers - 180 Watts (Per Pair), Full Range, 2-Way, Coaxial, 4 Ohms, Weatherproof
- GEARit 16 Gauge Marine Wire, 16/2 AWG (50ft) Marine Grade Tinned Copper Oxygen Free, Duplex 2-Conductor Insulated Red & Black Electrical Cable for Boat, Automotive, RV, Camper, Trailer

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**Shop now:** [https://www.desertcart.co.th/products/52181903-boss-audio-ask902b-6-500-w-4-channel-bluetooth-amplifier](https://www.desertcart.co.th/products/52181903-boss-audio-ask902b-6-500-w-4-channel-bluetooth-amplifier)

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*Product available on Desertcart Thailand*
*Store origin: TH*
*Last updated: 2026-03-06*