---
product_id: 676401683
title: "600W Slim Under Seat Subwoofer Audio 8 Inch Flat Car Underseat Audio Sub Bass Box Car Powered Subwoofer Car Stereo for Car and Motorhome"
brand: "fennnds"
price: "€ 424.77"
currency: EUR
in_stock: true
reviews_count: 1
url: https://www.desertcart.sk/products/676401683-600w-slim-under-seat-subwoofer-audio-8-inch-flat-car
store_origin: SK
region: Slovakia
---

# 3in slim profile 600W max power Adjustable bass & gain 600W Slim Under Seat Subwoofer Audio 8 Inch Flat Car Underseat Audio Sub Bass Box Car Powered Subwoofer Car Stereo for Car and Motorhome

**Brand:** fennnds
**Price:** € 424.77
**Availability:** ✅ In Stock

## Summary

> 🎵 Elevate your ride with bass that commands attention!

## Quick Answers

- **What is this?** 600W Slim Under Seat Subwoofer Audio 8 Inch Flat Car Underseat Audio Sub Bass Box Car Powered Subwoofer Car Stereo for Car and Motorhome by fennnds
- **How much does it cost?** € 424.77 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sk](https://www.desertcart.sk/products/676401683-600w-slim-under-seat-subwoofer-audio-8-inch-flat-car)

## Best For

- fennnds enthusiasts

## Why This Product

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

## Key Features

- • **Powerful 600W Output:** Feel every beat with deep, resonant bass that transforms your drive into a concert-like experience.
- • **Advanced Safety Features:** Built-in thermal, short-circuit, and overload protections ensure reliable, long-lasting performance on every journey.
- • **Ultra-Slim 3-Inch Design:** Sleek under-seat fit saves space without compromising on sound performance—perfect for modern car interiors.
- • **Customizable Bass Control:** Easily tailor your audio with intuitive knobs for bass, volume, and frequency to match your unique vibe.
- • **Robust Build with Premium Materials:** Crafted from wood, PU, rubber, and stainless steel for durability and vibration-free, crystal-clear sound.

## Overview

The fennnds 600W Slim Under Seat Subwoofer delivers powerful, distortion-free bass through an 8-inch dynamic driver housed in a sleek 3-inch slim enclosure. Designed for easy under-seat installation, it features adjustable bass and gain controls, dual vocal/pure bass modes, and premium materials for superior sound clarity. With built-in safety circuits and broad compatibility, it’s the ultimate upgrade for immersive in-car audio on any vehicle or motorhome.

## Description

DescriptionLong-term fatigue driving, repetitive boring scenery outside the window, and dull space inside the car all make you feel bored, don't they? Why not put a car subwoofer in your vehicle and let the passionate music replenish your adrenaline? Our subwoofer is ideal for music enthusiasts and audiophiles to immerse themselves in a deep, resonant bass world while driving. The thin body also makes it easy to stuff it under your seat, making it a good solution in situations where space is limited. Don't hesitate anymore, take a brave step towards deep, powerful bass and rich, immersive music!Key FeaturesEasy to Use: It comes with a built-in amplifier, so there is no need for additional connections, simplifying your car audio setup to the greatest extent possible while ensuring sound quality.Mini Size: It is a great solution if your car interior space is insufficient. It has a slim body (3in) and can be easily installed under most car seats and backrests, saving space without affecting performance.Dual Mode: This product is a full-range subwoofer and comes with both vocal and pure bass outputs. You can switch between vocal and pure bass modes through a switch to meet your various needs.Strong Compatibility: It supports high and low-level inputs, provides flexible connection options, and is compatible with various car stereo systems and host devices.DetailsSelf-adhesive Tape: The self-adhesive tape on the back helps you firmly secure it and avoid slipping.Rounded Corners: Its entire body is designed with rounded corners, so even if installed in a car with limited space, you don't have to worry about rubbing against it and scratching yourself when getting on and off the vehicle.ApplicationIt is very suitable for installation in various vehicle models such as cars, trucks, or jeeps.SpecificationsMaterial: Wood, PU, Stainless Steel, RubberColor: BlackShape: RectangularStyle: ModernSurface Treatment: Baking VarnishAssembly Required: YesInstallation Types: Car Installation, Underseat Installation, Backrest InstallationRated Power: 200WMax. Power: 600WVoltage: DC 12VFrequency Response: 40Hz-200HzBass Enhancement: 0-12dBSignal to Noise Ratio: ≥ 90dBImpedance: 4 ΩTotal Harmonic Distortion:<0.4%Fuse Setting Value: 20AGross Weight: 4.45kg/9.8lbsNet Weight: 4kg/8.8lbsSpeaker Diameter: 21cm/8in; 4cm/1.57inProduct Size: 37*25*7.5cm/14.57*9.84*3inPackage Size: 40*33*13.5cm/15.75*13*5.3inPackage Included1*Car Subwoofer1*12V Positive Wire1*REM Control Wire1*Audio Cable1*GND Negative Wire1*High Frequency Wire1*English ManualNotes1. Please carefully read the manual and strictly follow the precautions to have a better experience.2. For better sound effects, if your host has RCA ports, please choose the low level, otherwise choose the high level.3. We strongly recommend professionals install this product to ensure its proper functionality. Please ensure that this product is compatible with your vehicle before purchasing.4. Please ensure that the product is securely installed with sufficient clearance to avoid interference with seat adjustment or other vehicle components.5. During prolonged or high-volume use, this product may accumulate heat. Please ensure that the product is adequately ventilated to facilitate heat dissipation and prevent overheating.6. Please regularly check the wire connections and clean this product to prevent dust accumulation that may affect performance over time.7. Please allow the slight color difference caused by the shooting light and 1-3cm error due to manual measurement, and make sure you do not mind before you order.

Review: Great - Works great

## Features

- 【Immersive Sound Experience】 It uses digital intelligent amplifiers to provide powerful, balanced, and distortion-free sound, creating an unparalleled immersive sound quality experience. With overwhelming music that provides adrenaline for you, say hello to even more exhilarating driving!
- 【Auditory Feast】 Rated at 200W, and up to 600W, the powerful output brings you deep and resonant bass! The ultra-wide response frequency (40-200Hz) and bass enhancement (0-12dB), combined with a signal-to-noise ratio of ≥ 90dB and a total harmonic distortion of<0.4%, make your music feel lifelike, just like enjoying an auditory feast at a concert!
- 【Free Adjustment】 The various adjustment knobs concentrated on one side allow you to adjust the bass and various gain functions, such as volume, mode, frequency, etc., making the music more in line with your preferences and customizing your personal ultra bass!
- 【Selected Materials】 The PU and wooden body effectively utilize the stability and loose structure of the materials, reducing the resonance through natural advantages to ensure better sound output; The rubber cowhide ring horn and stainless steel horn guard also provide better sound effects with excellent elasticity and toughness.
- 【High Safety】 Thermal protection circuits, short-circuit protection circuits, and overload protection circuits are indispensable safety mechanisms in power systems, effectively preventing equipment damage and ensuring long-term stable operation.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0D7VQJ68R |
| Age Range Description | Adult |
| Antenna Location | For Cars |
| Audio Driver Size | 8 Inches |
| Audio Driver Type | Dynamic Driver |
| Audio Output Mode | Dual Mode (Vocal/Pure Bass) |
| Audio output mode | Dual Mode (Vocal/Pure Bass) |
| Best Sellers Rank | 105,319 in Electronics & Photo ( See Top 100 in Electronics & Photo ) 60 in Car Enclosed Subwoofer Systems |
| Box Contents | 1*12V Positive Wire, 1*Car Subwoofer, 1*English Manual, 1*GND Negative Wire & 1*High Frequency Wire, 1*REM Control Wire & 1*Audio Cable |
| Brand | fennnds |
| Brand Name | fennnds |
| Colour | Black |
| Compatible Devices | Smartphone, Tablet, Car Stereo |
| Connectivity Protocol | Aux, RCA |
| Connectivity technology | Cable |
| Control Method | Remote |
| Customer Reviews | 5.0 out of 5 stars 4 Reviews |
| Enclosure Material | PU, Rubber, Stainless Steel, Wood |
| Frequency Response | 200 Hz |
| Frequency response | 200 Hz |
| Input Voltage | 12 Volts |
| Input voltage | 12 Volts |
| Is Waterproof | Fake |
| Item Dimensions D x W x H | 37D x 7.5W x 25H centimetres |
| Item Weight | 4.3 Kilograms |
| Item height | 25 centimetres |
| Manufacturer | fennndsot |
| Maximum Speaker Output Power (in watts) | 600 Watts |
| Model Name | Car Powered Subwoofer |
| Model Number | Audio Sub Bass Box |
| Mounting Type | Underseat / Bracket Mount |
| Network Connectivity Technology | Cable |
| Number of Audio Channels | 1.0 |
| Number of Items | 1 |
| Power Source | Corded Electric |
| Product Features | Bass Boost |
| Speaker Size | 8 Inches |
| Speaker Type | Subwoofer |
| Speaker maximum output power | 600 Watts |
| Specific Uses For Product | In-vehicle audio system for travel |
| Subwoofer Speaker Diameter | 8 Inches |
| Warranty Type | Limited |
| Wireless Technology Type | No Wireless Communication Technology |
| Woofer Driver Diameter | 21 Centimetres |

## Product Details

- **Brand:** fennnds
- **Speaker maximum output power:** 600 Watts
- **Connectivity technology:** Cable
- **Audio output mode:** Dual Mode (Vocal/Pure Bass)
- **Input voltage:** 12 Volts
- **Mounting type:** Underseat / Bracket Mount
- **Material:** PU, Rubber, Stainless Steel, Wood
- **Model name:** Car Powered Subwoofer
- **Special feature:** Bass Boost
- **Compatible devices:** Smartphone, Tablet, Car Stereo

## Images

![600W Slim Under Seat Subwoofer Audio 8 Inch Flat Car Underseat Audio Sub Bass Box Car Powered Subwoofer Car Stereo for Car and Motorhome - Image 1](https://m.media-amazon.com/images/I/81V9njYCfiL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great
*by N***K on 3 August 2025*

Works great

## Frequently Bought Together

- fennnds 600W Slim Under Seat Subwoofer Audio 8 Inch Flat Car Underseat Audio Sub Bass Box Car Powered Subwoofer Car Stereo for Car and Motorhome
- BRIEFCEC RCA Splitter Cable, 15cm rca Y Cable AV Cable 1 Male to 2 Female Extension Cable RCA to JACK for Subwoofer, Speaker, AMP, Turntable, Receiver, Home Theater(Y Cable, 2Pcs, Blue)
- VIBE Audio Slick 1500 W System Car Wiring Kit

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**Shop now:** [https://www.desertcart.sk/products/676401683-600w-slim-under-seat-subwoofer-audio-8-inch-flat-car](https://www.desertcart.sk/products/676401683-600w-slim-under-seat-subwoofer-audio-8-inch-flat-car)

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*Product available on Desertcart Slovakia*
*Store origin: SK*
*Last updated: 2026-03-14*