Gravity
Gravity GR-EQ15 EQ15 5 Band Car Audio Equalizer 9V
Fine-tune your car audio with 7 adjustable EQ bands, 6-channel output, and built-in fader control in a compact half-DIN chassis.
$58.99*
View on Amazon
✓ In Stock on Amazon.com
*Price sourced from Amazon.com. Last updated:Oct 21, 2026.Price and availability are subject to change — details.
Affiliate Disclosure: As an Amazon Associate, Studio Supplies earns from qualifying purchases made through links on this page, at no additional cost to you. This helps support our editorial team.
Notice a mistake? Let Us Know
Overview
Key Features
PRECISION TUNING - Five graphic EQ bands centered at 50Hz, 125Hz, 900Hz, 2.2kHz, and 16kHz let you shape deep bass, midrange presence, and high-frequency detail for a more balanced car audio system.
HIGH-LEVEL OUTPUT - Active preamp delivers up to 9V RMS maximum output to support amplifiers with a strong, clean signal, while adjustable input sensitivity helps match the equalizer to your source unit.
SYSTEM CONTROL - Dedicated master volume control provides convenient overall level adjustment from the dashboard, while separate stereo RCA outputs feed front, rear, and subwoofer amplifier channels.
FLEXIBLE INPUTS - Built-in AUX/DVD input selector makes it easy to choose between connected audio sources without rewiring, adding practical source control to compatible vehicle or mobile theater setups.
SUBWOOFER READY - The dedicated subwoofer output supports low-frequency system integration, with a 10Hz,300Hz subwoofer frequency range for tailoring bass playback with an external amplifier and subwoofer.
INSTALLATION FORMAT - Compact 1/2 DIN chassis fits many custom dash and console installations; designed for 11,15V DC negative-ground electrical systems and uses three pairs of stereo RCA outputs.
Specifications
Brand
Gravity
Model
GR-EQ15
Type
1/2 DIN Car Audio Equalizer
EQ Bands
7 (50 Hz, 125 Hz, 320 Hz, 750 Hz, 2.2 kHz, 6 kHz, 16 kHz)
EQ Range
-12 dB to +12 dB
Output Channels
6 (Front, Rear, Subwoofer)
Max Output Voltage
7V RMS
Headroom
20 dB
RCA Connectors
Gold Plated
Controls
Master Volume, Built-in Fader
Operating Voltage
9V
Frequently Asked Questions
How many EQ bands does the Gravity GR-EQ15 actually have?
Despite being marketed as a 5-band equalizer, the GR-EQ15 features 7 fully adjustable frequency bands at 50 Hz, 125 Hz, 320 Hz, 750 Hz, 2.2 kHz, 6 kHz, and 16 kHz, each adjustable from -12 dB to +12 dB.
What outputs does the GR-EQ15 provide?
It offers 6-channel output across three zones: front, rear, and subwoofer, all through gold-plated RCA connectors with a maximum output voltage of 7V.
What size chassis does the GR-EQ15 use?
It uses a 1/2 DIN form factor, making it compact enough to fit in tight dashboard spaces or mount under a seat.
Does the GR-EQ15 include volume or fader control?
Yes, it has both a master volume control and a built-in fader control for balancing front-to-rear speaker output.
What voltage does the GR-EQ15 require?
The unit operates on a standard 9V car audio power supply.
Related Products
