Transparent pricing for custom audio

At Campbell Custom Audio in St Louis, we build custom subwoofer enclosures and bespoke Bluetooth speakers engineered for maximum sound quality. Every project is crafted by hand to fit your exact vehicle and acoustic requirements, offering honest pricing tailored to your build.

Custom build estimates and rates

Custom work starts at $75 per hour, with total project prices typically ranging from $75 to $1,200 depending on dimensions, specialized materials, and custom finishes. Simple boxes can often receive an instant flat estimate.

Subwoofer enclosures Estimate
Simple standard enclosure From $75
Custom vehicle-fit sub box $250 - $650
High-output multi-sub box $500 - $1,200
Custom fabrication hourly rate $75 / hour
Custom Bluetooth speakers Estimate
Compact portable Bluetooth box From $150
Mid-size custom wood speaker $300 - $600
High-power audiophile build $600 - $1,200
Bespoke audio tuning Included
Materials and upgrades Estimate
Premium wood and composite shells Custom quote
Specialty vinyl or carpet wrap Custom quote
High-gloss painted finishes Custom quote
Project deposit (required to start) 50% upfront

Ready to start your custom build?

Reach out with your vehicle make and model, desired placement, and available space measurements. We collect a 50% deposit upfront to secure materials, and the remaining 50% balance is due upon completion. Call or email [[email]] or [[phonenumber]] to get your build started today.