Bettermaker Stereo Passive Equalizer

– 100% analog audio signal path
– USB connectivity with MAC/PC
– all parameters are digitally controlled by DAW (with dedicated plugin)
– stereo passive equalizer with extended hi-boost section (air bands: 20 and 28 kHz)
– adjustable output level (+/- 8dB)

Digital Section
The sound of the Stereo Passive Equalizer is of course based on the quality of its analog filters, precisely matched capacitors and inductors. But all the control and user interactions are performed in the digital domain. This allows us to incorporate options and possibilities not found in any standard analog equalizers:
- Instant reset of all parameters
- Rapid, precise and repeatable adjustments
- Precisely linked stereo operation with the ease of a single control
- DAW automation and recall of all available parameters

The digital section of the Stereo passive Equalizer is based around high speed, 32-bit micro-controller, with dedicated firmware programmed into its memory (with the possibility of updating the firmware via USB connection). It controls the parameters af analog filters, watches over the user interface, USB connectivity and other SPE functions.


– 100% analog audio signal path
– USB connectivity with MAC/PC
– all parameters are digitally controlled by DAW (with dedicated plugin)
– stereo passive equalizer with extended hi-boost section (air bands: 20 and 28 kHz)
– adjustable output level (+/- 8dB)


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Digital Section
The sound of the Stereo Passive Equalizer is of course based on the quality of its analog filters, precisely matched capacitors and inductors. But all the control and user interactions are performed in the digital domain. This allows us to incorporate options and possibilities not found in any standard analog equalizers:
- Instant reset of all parameters
- Rapid, precise and repeatable adjustments
- Precisely linked stereo operation with the ease of a single control
- DAW automation and recall of all available parameters

The digital section of the Stereo passive Equalizer is based around high speed, 32-bit micro-controller, with dedicated firmware programmed into its memory (with the possibility of updating the firmware via USB connection). It controls the parameters af analog filters, watches over the user interface, USB connectivity and other SPE functions.
DAW integration
The Bettermaker Streo Passive Equalizer can communicate with your DAW via USB connection.
The unit appears as a HID device and can be managed via Bettermaker Stereo Passive Equalizer Plugin.
You can program up to 32 snapshots of Stereo Passive Equalizer state that can be triggered by automation.
This way, when you have a mastering session, you can trigger full sets of parameters from song to song with just one command.

Additionally, the plugin itself offers the new hybrid approach to dio editing. Under Digital HPF section hides our famous 24dB/oct high-pass filter with the engage button below. Above it, hiding under our recognizable „B” you will find some find adjustment functions, but also our very precise FFT analyzer with the digital and analog passive filter curves approximation.

US and EU parcels ship via UPS, ETA 1-7 working days from pickup day zero. That also applies to most locations worldwide.

All shipments are fully insured.

Bigger shipments requiring pallets or custom made crates ship to US, CA, JP, CN, AU and other outside of EU locations via DHL Air Freight, ETA is normally approx. 7-14 working days from pickup day zero.

Big shipments inside EU ship via different freight companies, recently mostly via ACE Logistics. Freight forwarders can use different courier companies for deliveries to final destinations.

Palletising and crating time can vary depending on the size of the shipment and packaging queue. We pack all our shipments with great care.

You are most welcome to pick your order up yourself from our Retrosonic Pro Audio showroom, studio and warehouse in Tallinn, Estonia.

We ship worldwide – contact us for a personal shipping quote or any other questions.

VAT (Value Added Tax) can be deducted if you have a company with a valid EU VAT number or if you're based outside of the EU. Non-EU buyers pay all and any import tax and duty as regulated by their local customs.