Self-powered loudspeaker systems
Meyer Sound self-powered boxes simplify system design because amplification is built in, but that also means amplifier condition is the whole ball game on the used market. Used UPJ and UPA series cabinets from rehearsal studios tend to be gentler-used than touring stock. Ask for amplifier test notes, not just photos of the front.
Amplifier modules are the main failure point; insist on a power-up and level-hold test.
1 Inventory
A practical buying process for used line array cabinets: serial checks, driver originality, rigging condition and the questions that separate fleet stock from touring wrecks.
The checks that reveal a tired used subwoofer — rub and rattle sweeps, impedance reads, cone originality, cabinet cracks and the freight questions sellers avoid.
What A, B+, B and C condition grades actually mean for used speakers, which defects are cosmetic, and the specific checks behind each grade.
How to pack and ship used speakers, consoles and subwoofers across borders without losing the value you saved on the purchase.
Inspected used pro audio, priced fairly and shipped worldwide.