SPL Competition & Impedance Calibration Tools
Dominate the Lanes with Harrison Labs SPL Diagnostic Tools
In SPL competition, a fraction of a decibel is the difference between a World Record and second place. Made in the USA and engineered for the "burp" and the "bass battle," Harrison Labs tools provide the surgical precision required to dominate dB Drag Racing, USACi, MECA, and IASCA.
High-Performance SPL Gear
• SPL Competition Z-Meter & Bass Generator
The ultimate tuning suite. Map box rise in real-time and pinpoint your vehicle's exact resonant frequency to pull maximum wattage without hitting protect mode.
• Bass Generator with Digital Frequency Meter
Eliminate guesswork in the staging lanes. Deliver rock-solid sine waves with digital accuracy—essential when a 1Hz shift can tank your score.
• Professional SPL Bass Generator (Standard)
Heavy-duty reliability for the circuit. Identify enclosure leaks and mechanical stress points before they cost you a trophy.
The Harrison Labs Advantage
• Industrial Open-Frame Design: Engineered for the trenches, our signature open-frame architecture ensures maximum heat dissipation and rugged durability in high-vibration environments.
• Laboratory Accuracy: Precise data for Stock, No-Wall, or Extreme divisions.
• A Legacy of Loud: Trusted by world-record holders since 1979.
Maximize your score. Minimize your impedance. Win with Harrison Labs.
🇺🇸 MADE IN THE USA 🇺🇸
