Product: DMS328 V3 28-Band Exclusive Equalizer
Rating: 4.6 / 5 ⭐
Verdict: A surgical tool for the obsessive listener. Not for beginners.
The "V3" suggests future iterations are on the horizon. However, audio forums are currently reporting that the 28 Band Exclusive firmware is being locked down by manufacturers to prevent cloning. If you find a unit labeled "V3 Exclusive," verify that the control software shows 28 independent sliders. Some knock-offs claim 28 bands but internally only have 13. dms328 v3 28 band exclusive
As of late 2024, the DMS328 V3 remains the go-to recommendation for car audio enthusiasts who have tried 13-band EQs and felt they were "close, but not perfect." Product: DMS328 V3 28-Band Exclusive Equalizer Rating: 4
The word "Exclusive" in the product title isn't just marketing jargon. It refers to a hardware/software lock that ensures the 28 bands remain fully analog-sounding while digital controls manage the filters. Here is what makes the Exclusive version stand out from generic DSPs: Rane EQ 29 – user guide (similar operation
The unit includes an internal RTA. Place the calibration mic in the listening position, play pink noise, and the dms328 v3 will overlay your current frequency response onto the 28 sliders. It even suggests automatic "first pass" cuts to protect your tweeters.
If you can’t find the original manual, these are helpful for 28-band graphic EQs:
Direct sampling radios often struggle here due to the sheer power of local broadcast towers. The DMS328 V3 handled our local 50kW blowtorches reasonably well. While some overload was present without attenuators, the ability to switch bandpass filters (a key benefit of the multi-band architecture) cleaned up the image significantly compared to the V2.