---
product_id: 15622838
title: "RTB65A 6.5\" Powered Subwoofer Bass Tube, 300W Peak, Deep Bass, Built-In Amp, MP3 Input, Crossover, Vented Enclosure, Perfect for Car Audio"
brand: "rockville"
price: "1312 Lei"
currency: RON
in_stock: true
reviews_count: 13
category: "Rockville"
url: https://www.desertcart.ro/products/15622838-rtb65a-6-5-powered-subwoofer-bass-tube-300w-peak-deep
store_origin: RO
region: Romania
---

# 300W peak power Compact car-friendly design Adjustable bass crossover RTB65A 6.5" Powered Subwoofer Bass Tube, 300W Peak, Deep Bass, Built-In Amp, MP3 Input, Crossover, Vented Enclosure, Perfect for Car Audio

**Brand:** rockville
**Price:** 1312 Lei
**Availability:** ✅ In Stock

## Summary

> 🚗🔊 Elevate your ride with bass that commands attention!

## Quick Answers

- **What is this?** RTB65A 6.5" Powered Subwoofer Bass Tube, 300W Peak, Deep Bass, Built-In Amp, MP3 Input, Crossover, Vented Enclosure, Perfect for Car Audio by rockville
- **How much does it cost?** 1312 Lei with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ro](https://www.desertcart.ro/products/15622838-rtb65a-6-5-powered-subwoofer-bass-tube-300w-peak-deep)

## Best For

- rockville enthusiasts

## Why This Product

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

## Key Features

- • **Tailored Bass Control:** Customize your sound with an adjustable crossover and MP3 input for perfect tuning.
- • **Punchy 300W Peak Power:** Feel every beat with deep, room-filling bass that transforms your drive.
- • **All-in-One Powered Tube:** Built-in 150W RMS amp means zero extra gear—plug and play bass perfection.
- • **Effortless Installation:** Includes mounting brackets and Velcro straps for quick, no-fuss setup anywhere.
- • **Sleek, Space-Saving Design:** Cylindrical vented enclosure fits seamlessly in any vehicle without sacrificing legroom.

## Overview

The Rockville RTB65A is a compact 6.5" powered subwoofer delivering 300W peak power through a built-in 150W RMS amplifier. Its vented cylindrical enclosure with aviation-grade tweed covering enhances deep bass response while fitting easily into any vehicle. Featuring adjustable bass crossover and MP3 input, it offers customizable sound control and hassle-free installation with included mounting hardware and Velcro straps—perfect for millennials seeking powerful, space-conscious car audio upgrades.

## Description

Introducing the Rockville RTB65A Powered Subwoofer Tube. We at Rockville just had to manufacture a high quality powered bass tube. Growing up one of my best friends bought a car and it had a powered bass tube in it. The sound that it produced was just amazing and I will never forget it. Bass tubes push out some of the punchiest bass available. I personally love punchy bass that is deep and clean. Bass is an integral part of any good audio system, and the Rockville Bass Blaster amplified subwoofer tubes will add power and impact to your car audio system. The cylindrical shape of the enclosure helps focus the motion of the bass pressure so it maximizes that punchy output from both the woofers face and the tuned rear aero port. Strong deep bass will fire through your vehicle for astounding results. Since this is a powered bass tube, you get everything you need! This is your entire bass system. The built in power amplifier will push this tube to the max. The amp, sub and enclosure are perfectly tuned and matched to sound perfect together. Installation is a breeze! No need for building and wiring enclosures to amplifiers. Simply power, ground remote and send signal to the bass tube and you are ready to enjoy the most incredible bass you have ever heard. "Good things do come in small packages" Rockville Bass Tubes will fit every vehicle without taking up valuable space and provide super low-end bass response. No permanent installation is necessary, the tubes come complete with 4 mounting legs and Velcro mounting straps so your bass tube will stay put where you place it.

Review: Metalhead's Friend - Specs: installed in a single cab ‘06 Tacoma, On the floor up against the passenger side seat. Set up: added to my pioneer stereo. Easy set up if you’re familiar with audio installation (basically the same as a stand alone amp with the sub attached 👍🏽) Sound: I’m into ALL music genres so here we go, Hip hop will be the only jams that didn’t give me that 808 rumble that I wanted but 90s boom bap sound amazing! Metal sounds sick!!! If you’re into thrash, punk, Nu, prog, industrial, goth, hardcore, and early dethcore Metal 10 outta 10! Your grind core, slam, death, tech death, black metals sound good but you’ll have to adjust the bass down a few notches because the sound will be over bearing 😂- no big deal as the gain adjuster is easy to access (or you can just use your stereo settings like I do. Overal, this is a super cheap lil sub that will give you that kick drum that is needed to “feel” the music, sadly I’d did NOT fit behind the bench seat by about an inch because I’m 6’ and need my leg space but that’s ok.
Review: Sounds Good Dispite It's Size - it took a bit to dial the subwoofer in, but once it was I was quite impressed by the performance of this 6.5" subwoofer. To note this will clip if the volume (gain) is turned all the way up and the head unit volume is too. Once tuned, it was able to hit 40hz tones without any issues ie clipping/distortion. While this isn't the loudest subwoofer out there it's a great entry level option or a affordable way to balance out a system. I would recommend this to anyone looking for a cheap subwoofer with minimal expertise needed. While so far this sounds like a 5 star review, I knocked off one star due to the lack of dummy proofing. There should be instructions on how to use the included straps and how to adjust the gain properly (as we have seen with other reviews where it was setup incorrectly)

## Features

- Compact Yet Powerful: Rockville RTB65A delivers 300W peak power (150W RMS) with a 6.5" high-power woofer for punchy, deep bass in a small package.
- Integrated Amplifier: Built-in 150W RMS amplifier perfectly matches the subwoofer and enclosure for optimized sound performance.
- Customizable Sound Control: Adjustable bass crossover and an MP3 input with volume control allow seamless integration and sound tuning for your car audio system.
- Durable Vented Design: Aviation-grade tweed-covered tubular enclosure with a rear aero vent system enhances bass response and durability.
- Easy Installation: Includes speaker-level and RCA line-level inputs, steel mounting brackets, and Velcro straps for hassle-free setup in any vehicle.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00SKIABLC |
| Audio Driver Size | 6.5 Inches |
| Audio Driver Type | Dynamic Driver |
| Best Sellers Rank | #137,533 in Electronics ( See Top 100 in Electronics ) #802 in Car Component Subwoofers |
| Color | Black |
| Compatible Devices | MP3 Player, Smartphone, Tablet |
| Control Method | Remote |
| Customer Package Type | Standard Packaging |
| Customer Reviews | 3.5 3.5 out of 5 stars (157) |
| Date First Available | July 21, 2015 |
| Global Trade Identification Number | 00811080023656 |
| Included Components | car subwoofer, mp3 input |
| Is Discontinued By Manufacturer | No |
| Is Waterproof | FALSE |
| Item Weight | 9.2 pounds |
| Item model number | RTB65A |
| Manufacturer | Audiosavings |
| Material | Tweed (Enclosure), Paper/Polypropylene (Components) |
| Model Name | RTB65A |
| Mounting Type | Car Mount |
| Number of Items | 1 |
| Power Source | Corded Electric |
| Product Dimensions | 9"D x 17"W x 8.5"H |
| Recommended Uses For Product | Car |
| Set Name | 6.5 inches |
| Shape | cylinder |
| Speaker Size | 6.5 Inches |
| Speaker Type | Subwoofer, Woofer |
| Style | 6.5 inch |
| Subwoofer Connectivity Technology | Wired |
| Subwoofer Diameter | 6.5 Inches |
| Surround Sound Channel Configuration | 2.1 |
| UPC | 811080023656 |
| Unit Count | 1.0 Count |
| Warranty Type | Limited |
| Wireless Communication Technology | No Wireless Communication Technology |
| Woofer Diameter | 6.5 Inches |

## Product Details

- **Audio Output Mode:** Mono
- **Brand:** Rockville
- **Connectivity Technology:** wired
- **Frequency Response:** 30 Hz
- **Speaker Maximum Output Power:** 300 Watts

## Images

![RTB65A 6.5" Powered Subwoofer Bass Tube, 300W Peak, Deep Bass, Built-In Amp, MP3 Input, Crossover, Vented Enclosure, Perfect for Car Audio - Image 1](https://m.media-amazon.com/images/I/81nrJr9HQCL.jpg)

## Questions & Answers

**Q: Do you have to ground this in order for it to work or can you just hook it up to a peer cord/cable?**
A: Needs a power ground.

**Q: Do i run an ignition switched source to "rem" so that it doesn't drain the battery?**
A: Yes you need to run a remote line.

**Q: What size power wire does this require?**
A: The size wire will depend on how much power the amp puts out.  This will run on 12-16guage speaker wire for best results.

**Q: is this waterproof?**
A: No... this is not designed for Marine applications. The electrical connections are all exposed.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Metalhead's Friend
*by K***0 on September 29, 2024*

Specs: installed in a single cab ‘06 Tacoma, On the floor up against the passenger side seat. Set up: added to my pioneer stereo. Easy set up if you’re familiar with audio installation (basically the same as a stand alone amp with the sub attached 👍🏽) Sound: I’m into ALL music genres so here we go, Hip hop will be the only jams that didn’t give me that 808 rumble that I wanted but 90s boom bap sound amazing! Metal sounds sick!!! If you’re into thrash, punk, Nu, prog, industrial, goth, hardcore, and early dethcore Metal 10 outta 10! Your grind core, slam, death, tech death, black metals sound good but you’ll have to adjust the bass down a few notches because the sound will be over bearing 😂- no big deal as the gain adjuster is easy to access (or you can just use your stereo settings like I do. Overal, this is a super cheap lil sub that will give you that kick drum that is needed to “feel” the music, sadly I’d did NOT fit behind the bench seat by about an inch because I’m 6’ and need my leg space but that’s ok.

### ⭐⭐⭐⭐ Sounds Good Dispite It's Size
*by L***. on February 6, 2021*

it took a bit to dial the subwoofer in, but once it was I was quite impressed by the performance of this 6.5" subwoofer. To note this will clip if the volume (gain) is turned all the way up and the head unit volume is too. Once tuned, it was able to hit 40hz tones without any issues ie clipping/distortion. While this isn't the loudest subwoofer out there it's a great entry level option or a affordable way to balance out a system. I would recommend this to anyone looking for a cheap subwoofer with minimal expertise needed. While so far this sounds like a 5 star review, I knocked off one star due to the lack of dummy proofing. There should be instructions on how to use the included straps and how to adjust the gain properly (as we have seen with other reviews where it was setup incorrectly)

### ⭐ no bass. just a low tone
*by D***W on May 1, 2025*

Wanted this to replace a larger 12” sub in my trunk. I do not like loud blooming base. In fact I only like to turn it up just above my car speakers to get a nice balanced sound. But this thing couldn’t even provide that it was just a low tone, muffled noise that was easy to locate from the trunk. “300W” peaked easily. Back it went.

## Frequently Bought Together

- Rockville RTB65A 6.5" Powered Subwoofer Bass Tube, 300W Peak, Deep Bass, Built-In Amp, MP3 Input, Crossover, Vented Enclosure, Perfect for Car Audio
- BOSS Audio Systems KIT2 8 Gauge Complete Car Amplifier Installation Wiring Kit with Power Cables, Ground Cables, Turn-On Wire, Speaker Wire, Terminals
- PAC SNI-35 Variable LOC Line Out Converter 1.2x6.25x5.9

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*Product available on Desertcart Romania*
*Store origin: RO*
*Last updated: 2026-03-16*