Key Features as:

• Remote Amplifier Level Bass Controller remote XTBR21-91557-L2, Perfect for Balancing the System to Changing Music Styles for Taramps Bass Knob - Taramps Bass Control

• Optional Wired Remote Volume Control Compatible any Audio Device like,Car Amp,Equlizers. Universal fit for most of car, simple in and out connection, no additional wiring need.
• XTBR21 Controls the bass/gain from the front seat or remote location from Amp/Amplifier, Fine tunes the volume of any RCA line level signal you to control. Different frequency can make the song feel different. 

• Allows You to Adjust Your Bass Level Quickly and in the Most Ideal Location, easily mounts underneath a dash for an "out-of-sight" install.
• High Quality Product Remote Unit bass knob. Color: Black Made In China.
• Connects between the amplifier and stereo via RCA connectors, One 2-Channel RCA input and one 2-channel RCA output

Xtenzi Brand External Remote knob XTBR21 bass Boost Wired Variable Level Controller (secondary gain control),

This Xtenzi Remote XTBR21 is Compatible with Universal Devices and Amps like: Compatible with 

Most Amplifier with RCA Jack like:

Taramps Bass Knob - Taramps Bass Control.

Also work with other Amp:

Alpine, AudioControl Clarion Focal Hertz Infinity 

Audiopipe Focal Hifonics JBL JL Audio Kenwood Kicker Morel, MTX, Pioneer, Rockford Fosgate, Rockville, Skar Audio,

Also work with Power Amp, Equlizers, Processors, Headunits, Home audio devices.Works with most Head Unit / Amplifier Combinations and also works in Home Audio systems.

Specification:

•        4 RCA: 2 RCA input & 2 RCA output Level control knob

•        Frequency Range: 150Hz - 40Hz

•        Volume Gain Range: 0db to -12db

•        Material: Metal

•        Mountable in-dash or Under-dash

•        Dimensions: 68x56x31mm/2.68x2.2x1.22inch

•        Color: Black

Package include:

1- Xtenzi Remote Bass Knob XTBR21,

Caution before purchase:

a-Make sure the remote is exactly compatible with your Amp/Amplifier before purchase.

b-Any Other Amp/Amplifier will be properly control with this item. 

c-and misuse of the remote with any other Amp/Amplifier may cause device not to work. We will not take any responsibility of any misuse. 

Important Note:Above mention Product is a Xtenzi Brand Accessory/item, We are not linked or associated with any of the above brand mention. To help consumer find the correct replacement Part above brand/models names was mention/listed are compatible with the referenced product or technology only. All Third-Party Tradenames/Trademarks referenced above remain the property of their respective owners. Any reference to third party