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More Control at Your Finger Tips

Earthquake's line of equalizers do 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. 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 tour or party buses, limousines and other commercial vehicles.


                                               EQ-4000BT Review by HotRod Network
                                                        (will open in a new window)

Sold and priced per piece.  
  • 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
  • Supported formats: HSP, HFP, A2DP, AVRCP, SPP


  • Model nr.: EQ-4000BT
  • EAN: 0168975911063
  •     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: 2.2KΩ / Sub Ch: 510 ohm
  •     Signal to Noise Ratio: 92dB
  •     Recommended Fuse Rating: 1 Ampere


  •     H x W x D : 25.4mm x 178mm x 108mm (without face plate)

EQ-4000BT Product Release

EQ-4000BT Manual

€ 158 w/o VAT
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