 
                    Daisy 
Last Updated: Oct 31, 2025
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| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING | 
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ | 
Dual 31-band, 1/3-octave constant Q frequency bands
Switchable boost/cut ranges of 6 or 12 dB
Front panel bypass switch
12 dB input gain range
4-Segment LED ladders for monitoring output levels
Inputs: ¼” TRS and female XLR (pin 2 Hot)
Outputs: ¼” TRS and male XLR (pin 2 Hot)
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING | 
|---|---|---|---|---|
| Amazon Warehouse | 9.90 | ✅ | ✅ | ✅ | 
Rockville REQ231 Dual 31 Band 1/3 Octave Graphic Equalizer With Sub-Output. Dual channel (31 bands per channel). Variable stage low and high cut filters.
1/3 octave filter sets (ISO centers). 20 Hz to 20 kHz effective equalization range. Constant Q filters. Selectable 6dB or 12dB cut or boost range. Output level LEDs (-10 to +17 dB).
Bypass switch with status LED. Balanced XLR input/output. Subwoofer out. Channels: 2 (stereo). Connectors: XLR balanced inputs and outputs. Bands: 31 per channel.
Frequency Centers: 20 Hz, 25 Hz, 31.5 Hz, 40 Hz, 50 Hz, 63 Hz, 80 Hz, 100 Hz, 125 Hz, 160 Hz, 200 Hz, 250 Hz, 315 Hz, 400 Hz, 500 Hz, 630 Hz, 800 Hz, 1 kHz, 1.25 kHz, 1.5 kHz, 2 kHz, 2.5 kHz
Control Range: Selectable +/-12dB 0r +/-6dB. Input Impedance: 50k ohms. Output Impedance: 600 ohms. Maximum Output Level: +21dBLevel Control: +/- 10 dB. Signal to Noise: >93 dB. Distortion: 0.005%.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING | 
|---|---|---|---|---|
| Sds audio | 9.92 | ✅ | ✅ | ✅ | 
Tube Equalizer based on the classic "Pultec" EQP-1A
CineMag input and output transformers - Made in U.S.A.
Premium high voltage 12AX7 and 12AU7 tubes
CineMag inductor EQ section
EQ bypassable - signal still passes through tubes and transformers for warming effect
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING | 
|---|---|---|---|---|
| RomeraLi | 8.52 | ✅ | ✅ | ✅ | 
🎵Professional dual channels stereo graphic equalizer.
🎵15-band design with ±12db adjustable range for each channel.
🎵With LOW-CUT switch for effectively eliminating the low frequency noise.
🎵With BYPASS switch for convenient machine debugging.
🎵XLR balanced and 1/4" TRS unbalanced inputs & outputs.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING | 
|---|---|---|---|---|
| Pincei | 7.10 | ✅ | ✅ | ✅ | 
Powerful Function:Standard 2U thin and light rack,Dual-channel synchronous control 31-band DSP processing equalizer,which is perfect for KTV , Karaoke and stage use
This Professional Graphic Equalizer can record 10kinds of effects(and call),with Automatic noise reduction function which outputs high-defination sound quality
Elegant Apperance: This 31 bands Equalizer with concise design,made from selected high quality materials and using precision casting workmanship
High/Mid/Bass independent adjustment: This Audio Digital Equalizador with independent Bass/Midrange/High pitch adjustment part,easy for you to operation
LED Display: With Noise reducer,DSP processor and LED Display,Blue/Green/Yellow and Red light indicates different working status
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING | 
|---|---|---|---|---|
| Pincei | 7.06 | ✅ | ✅ | ✅ | 
Powerful Function:Standard 1U thin and light rack,Dual-channel synchronous control 31-band DSP processing equalizer,which is perfect for KTV , Karaoke and stage use
This Professional Graphic Equalizer can record 10kinds of effects(and call),with Automatic noise reduction function which outputs high-defination sound quality
Elegant Apperance: This 31 bands Equalizer with concise design,made from selected high quality materials and using precision casting workmanship
High/Mid/Bass independent adjustment: This Audio Digital Equalizador with independent Bass/Midrange/High pitch adjustment part,easy for you to operation
LED Display: With Noise reducer,DSP processor and LED Display,Blue/Green/Yellow and Red light indicates different working status
Here is the list of top-rated brands that were evaluated by PM.
| Brand | Count | 
|---|---|
| Tzt | 2 | 
| Btuty | 1 | 
| Dbx | 1 | 
| Rockville | 1 | 
| Warm Audio | 1 | 
We've carried out a comprehensive analysis of 858 reviews on audio equalizers, using our selection criteria to identify the best options in the vehicle electronics. Our findings reveal that most customers typically select audio equalizers priced around $285.19, with top brands including skar audio, dbx, audiocontrol, clarion, tzt, bellari audio, warm audio, technical pro and douk audio and art
Our team of expert editors reviewed these high-quality items and handpicked the top 6 audio equalizers for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the vehicle electronics category. These include skar audio, stc distributors (serial # recorded), gold label llc, ematicdirect (we track serial #s), pincei, avlgear, sds audio, all in retail and amazon.com and doukaudio .
We are dedicated to assisting our users in finding the right controllers Products based on their needs, saving them considerable time when choosing which audio equalizers to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.