ERSETechnologies
Since 1994 · Engineering the science of electronics

Quality you can hear.

ERSE, Engineers Researching the Science of Electronics. Three decades of building capacitors, coils, resistors, and crossovers that put music first, without the boutique price.

Built for every stage of the signal path.

Tap any product for full specs and available values.

Find ERSE components.

Retail orders ship through our authorized distributor. Manufacturers, OEMs, and integrators can talk to us directly for wholesale pricing and volume quantities.

Authorized Distributor

Cinergy Audio

Our full ERSE catalog is stocked and shipped by Cinergy Audio. Order individual capacitors, coils, resistors, and crossovers with fast turnaround for hobbyists, builders, and pro shops.

  • · Full product line in stock
  • · Individual and small-lot orders
  • · Ships to builders and audio shops
Shop at cinergyaudio.com →
Wholesale Customers

Manufacturers & OEMs

Building speakers at scale, sourcing for a production run, or need a custom spec? Contact ERSE directly for wholesale pricing, volume quantities, and OEM support.

  • · Volume pricing on all product lines
  • · Custom values and specifications
  • · Direct factory support
Contact us for wholesale inquiries →

Let's talk audio.

Questions about a product, a build, or a custom spec? Drop us a line, or stop by during business hours.

Email
sales@erseinc.com
Web
www.erseinc.com
Mon – Fri
08:00 – 17:30
Sat – Sun
Closed

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