BBS U-798D Used Wireless Mic System: Buying Guide & Condition Notes

The BBS U-798D is a wireless handheld transmitter and receiver system built for live vocal and speech duty. For distributors and rental companies sourcing used pro audio equipment for export, it is a straightforward, easy-to-deploy package: cardioid handheld transmitters, matching receivers, and removable grilles. The published spec sheet lists a 50 Hz – 18 kHz frequency range, -42 dBV/Pa sensitivity, 130 dB max SPL and 200 Ω impedance, with an XLR connector on the receiver rear panel. Each handheld weighs around 320 g, which keeps long sets comfortable for vocalists and presenters.

Condition grade A is the key selling point here. In practice that means the units should arrive with only light cosmetic wear — minor scuffs on the body, no deep dents, no cracked battery covers — and full electrical function on both transmitter and receiver. Before you commit to a container load of used BBS U-798D wireless microphone systems, ask for a bench test report covering RF lock at the outer edges of the band, audio path on every channel, and battery-compartment contact condition. Grade A does not mean new, so confirm what the grade covers in writing.

Inspection priorities for this model are predictable. Check the grille mesh for deformation and foam degradation, since collapsed foam changes the cardioid pattern and dulls the top end. On the receiver, verify the XLR output is clean and free of crackle, and that any front-panel level or channel controls move without scratchiness. Confirm the antennas are intact and thread properly. Because the U-798D is a wireless system, frequency coordination matters more than cosmetics — ask the seller which band the units operate in and whether transmitters and receivers are matched pairs.

For rental fleets, the practical question is spares and pairing. Handheld transmitters get dropped, grilles get dented, and battery doors go missing. Confirm how many transmitters ship with each receiver and whether grilles are included as stated. If you are building a mixed inventory of handheld and bodypack systems, it helps to compare this unit against other options in the microphones category before locking a purchase order. Buyers running conference rooms and small venues often pair a handful of these with a basic venue audio solution rather than a full digital console rack.

Export logistics are routine but worth pinning down early. Ask for the year of manufacture and quantity available — both are listed as on request, so do not assume stock depth until the seller confirms. Request photos of the actual units, not catalogue images, and specify whether original packaging is included. For sea freight, individual boxing with foam inserts protects grilles and antennas far better than bulk cartoning. If you are consolidating with speakers, amplifiers or lighting, review the wider used pro audio equipment catalogue so shipping costs are shared across SKUs.

Finally, treat the U-798D as a volume-friendly, low-risk line item rather than a premium flagship. It suits distributors supplying rental houses, schools, houses of worship and small event companies that need dependable handheld wireless without a large capital outlay. Confirm test reports, band information, transmitter-to-receiver ratios and packing standards before ordering, and keep the grade A claim documented. For first-time buyers of second-hand wireless, a short buying guide for used wireless microphones will help you frame the right questions before you request a quote.

Questions about this unit or about shipping to your country? Contact us for condition photos, test results and a quote.