Skip to content

Earthquake EQ-4000BT 4-Band Parametric Equalizer w/ Bluetooth® Capable

Sorry, this product has been discontinued.

Earthquake Sound EQ-4000BT 4-Band Parametric Equalizer with Bluetooth Capability

More Control at Your Finger Tips

Earthquake's line of equalizers does more than just alter your music. They give you 4 bands of equalization, subwoofer crossover, level controls, and an extra audio input for a secondary source. You can control all this from the EQ-4000BT with adjustable knobs. With a few clicks and turns of the knobs and you can tailor all the EQ settings and level controls. Imagine the innovation involved in this one little half din unit. Extend your functionality.

Earthquake's 4-band equalizer now has Bluetooth capability, making it easier to start enjoying your favorite playlists from your Bluetooth-enabled devices (i.e. iPhone, iPad, iPod Touch, Android, etc.) to the vehicle's audio system.

With the EQ-4000BT, you can keep your device with you at all times, reducing the risk of forgetting the device in your vehicle.

The EQ-4000BT is also ideal for use in a tour or party buses, limousines, and other commercial vehicles.

9 Volt RMS Output
4 Input sources (RCS, AUX, mini jack, and Bluetooth)
iPod / MP3 Ready
Fully retractable controls
Volume level control
Subwoofer level control
Fader action
Blue background LEDs
Input gain control

Note: Will work with external amplification only.

Input Level: 14V RMS
Output Level: Front & Rear Ch: 4V RMS / Sub Ch: 5V RMS
Frequency Response: 15Hz - 34kHz (-3dB)
Input Impedance: 10.2 Kohms
Output Impedance: Front & Rear Ch: 2.2Kohm / Sub Ch: 510 ohm
Signal to Noise Ratio: 92dB
Recommended Fuse Rating: 1 Ampere
Dimensions (H x W x D): 25.4mm x 178mm x 108mm (without face plate)

What is Proposition 65?

California’s Proposition 65 protects California consumers by requiring special warnings for products that contain chemicals known to the State of California to cause cancer, birth defects or other reproductive harm where those products would expose consumers to such chemicals above certain threshold levels.

If a product description on this site directed you to this page, the warning for this item is:

WARNING: Cancer and Reproductive Harm -

Who is this message intended for?

Customers with a California billing or ship to address.

Why are you seeing the message now?

California implemented new guidelines for Proposition 65 warnings, effective August 30, 2018. These guidelines were applied to make the warnings more clear and reasonable.

Where can you get more information about Proposition 65?

Learn more from the California Office of Environmental Health Hazard Assessment (OEHHA) site here.