Cross-Spectrum Acoustics LLC (CSA) is a full service noise and vibration consulting firm based in Massachusetts and serving clients around the United States.  Our two partners, Herb Singleton and Lance Meister, have over 30 years of combined experience in the noise and vibration field, with specialties in:

• Transit, freight, and high-speed rail
• Construction
• Architectural acoustics
• Industrial noise
• Audio systems
• Noise and vibration measurement systems

CSA is a certified DBE/MBE firm in Massachusetts and California, with pending certification in several other states.

Feel free to contact us if you have any questions or would like more information about our qualifications.