--- product_id: 361629051 title: "XMSJSIY Universal RCA Level Controller Car Audio Amplifier RCA Audio Adjuster Bass Boost Volume Control Knob and Cable for Car Motorcycle Speakers Home Theater" brand: "xmsjsiy" price: "84 zł" currency: PLN in_stock: true reviews_count: 13 category: "Xmsjsiy" url: https://www.desertcart.pl/products/361629051-xmsjsiy-universal-rca-level-controller-car-audio-amplifier-rca-audio store_origin: PL region: Poland --- # Universal RCA compatibility Durable metal casing Precision gain control XMSJSIY Universal RCA Level Controller Car Audio Amplifier RCA Audio Adjuster Bass Boost Volume Control Knob and Cable for Car Motorcycle Speakers Home Theater **Brand:** xmsjsiy **Price:** 84 zł **Availability:** ✅ In Stock ## Summary > 🎵 Take control of your bass, wherever the road takes you! ## Quick Answers - **What is this?** XMSJSIY Universal RCA Level Controller Car Audio Amplifier RCA Audio Adjuster Bass Boost Volume Control Knob and Cable for Car Motorcycle Speakers Home Theater by xmsjsiy - **How much does it cost?** 84 zł with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/361629051-xmsjsiy-universal-rca-level-controller-car-audio-amplifier-rca-audio) ## Best For - xmsjsiy enthusiasts ## Why This Product - Trusted xmsjsiy brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Tailor Your Soundscape:** Instantly balance subwoofer output to match your music style and mood for a personalized audio experience. - • **Seamless Volume Mastery:** Effortlessly adjust amplifier gain and bass levels on the fly without rewiring. - • **Premium Signal Integrity:** High-quality chipset and metal housing ensure crystal-clear audio transmission every time. - • **Compact Dash Mount Design:** Discreet installation with included screws keeps your dashboard sleek and functional. - • **Universal RCA Connectivity:** Plug-and-play design fits cars, motorcycles, home theaters, and more—no extra cables needed. ## Overview The XMSJSIY Universal RCA Level Controller is a compact, high-quality metal-encased device designed to give you precise control over amplifier gain and bass levels. Compatible with a wide range of car stereos, motorcycles, and home audio systems, it features easy dash-mount installation and plug-and-play RCA connections—no extra wiring required. Perfect for audiophiles seeking customizable sound balance and superior signal clarity on the go. ## Description The rca amplifier is to control the gain level / volume of devices connected to the car stereo, such as speaker, amplifier, bass, etc. It is manufactured with premium material for durable and long lasting use. Excellent workmanship ensures its high practicability. Strict quality inspectation system insures you premium product and safe usage. Great and helpful accessory for your car. Remote bass level control turning knob, great accessory for car and home subwoofers, work well for your spl amp/ppl amp, balance desktop speaker system, great for stereo that does not have a bass tuner. It is easy to install. Two rca inner hole inputs and two rca inner hole outputs are installed in or under the instrument panel. You can quickly adjust the volume of the on-board amplifier without additional wiring. Simple in and out connections,no additional wiring needed.Mini size easy to installation by DIY without manuals. Package Include: 1*car audio amplifier 2* mounting screws Review: Better than expected - Perfect. Using to tame down output from Nakamichi tape deck. Works great. Good quality. Review: Perfect control for sub - My car stereo doesn't have sub control so I used this in between the amp and it works perfect! Great adjustability, easy to install, great bass and volume control. Excellent value for the money! ## Features - The car rca audio amplifier is control the gain level / volume of devices connected to the car stereo,such as speaker, amplifier, bass,etc.Dash mount amplifier level control for volume adjustment.Dash mount rca amplifier level control is used to adjust amplifier gain, power level, stereo, equalizer or crossover volume when you driving - The universal rca level controller for car is made from high quality materials and metal for optimal signal transfer this amplifier controller offers high-quality signal transmission with rca composite cables.Adds subwoof level control to any head unit. Perfect for balancing the system to change music styles - RCA level controller perfect for balancing the system to change music styles, control your sub-woofer output, you can set the subwoofer on maximum gain and then vary the knob to taste as per genre or media good fit for car, motorcycle, speakers, home.Stereo rca input and output. - Connect the rca output connector to the car stereo and the input rca connector to the device, no additional wires are required. With especially good fit for car, motorcycle, speakers, home - This amplifier controller made of high-quality chipset and elegant metal casing, perfect transmission of music signal. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B09C5Z9BFL | | Best Sellers Rank | #42,286 in Electronics ( See Top 100 in Electronics ) #553 in RCA Cables | | Brand Name | XMSJSIY | | Customer Reviews | 4.4 4.4 out of 5 stars (293) | | Item Dimensions | 8.66 x 1.97 x 0.79 inches | | Manufacturer | yingtuyou jiaju | | Material Type | High Quality Materials | | Mounting Type | Surface Mount | | Number of Channels | 2 | ## Product Details - **Brand:** XMSJSIY - **Item dimensions L x W x H:** 8.66 x 1.97 x 0.79 inches - **Manufacturer:** yingtuyou jiaju - **Mounting Type:** Surface Mount - **Number of Channels:** 2 ## Images ![XMSJSIY Universal RCA Level Controller Car Audio Amplifier RCA Audio Adjuster Bass Boost Volume Control Knob and Cable for Car Motorcycle Speakers Home Theater - Image 1](https://m.media-amazon.com/images/I/71G7p0YA8QL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Better than expected *by P***R on March 19, 2026* Perfect. Using to tame down output from Nakamichi tape deck. Works great. Good quality. ### ⭐⭐⭐⭐⭐ Perfect control for sub *by N***R on September 26, 2024* My car stereo doesn't have sub control so I used this in between the amp and it works perfect! Great adjustability, easy to install, great bass and volume control. Excellent value for the money! ### ⭐⭐⭐⭐ Works 100% *by N***N on August 25, 2024* Very simple potentiometer with RCA jacks. Works 100%, but not the greatest build quality. Great if you're on a budget. ## Frequently Bought Together - XMSJSIY Universal RCA Level Controller Car Audio Amplifier RCA Audio Adjuster Bass Boost Volume Control Knob and Cable for Car Motorcycle Speakers Home Theater - Tan QY 2RCA to 2RCA Cable 3Ft, Gold-Plated 2 RCA Male to 2 RCA Male Stereo Audio Cable for Home Theater, HDTV, Gaming Consoles, Hi-Fi Systems (3Ft/1M) - Monoprice 1.5ft Premium 2 RCA Plug/2 RCA Plug M/M 22AWG Cable - Black --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.pl/products/361629051-xmsjsiy-universal-rca-level-controller-car-audio-amplifier-rca-audio](https://www.desertcart.pl/products/361629051-xmsjsiy-universal-rca-level-controller-car-audio-amplifier-rca-audio) --- *Product available on Desertcart Poland* *Store origin: PL* *Last updated: 2026-05-22*