A wireless microphone is part of an RF system. The correct wholesale choice depends on the destination market, venue environment and complete channel plan—not only the receiver front panel.
Define the application before the model
Record whether the system is for performance, speech, rental, worship, conference, education or installation. Define the required handheld, bodypack, headset or lavalier combinations and the maximum number of systems that must operate together.
Confirm the legal frequency range and local licensing rules for every destination market before approving inventory. Frequency suitability cannot be assumed from a generic UHF description.
Five-model wholesale shortlist
EW-400 is a wideband professional platform with 610–698 MHz published handheld and bodypack ranges, four BNC antenna inputs and selectable 10/30 mW transmitter power. K8004 is a four-channel UHF package with balanced and microphone-level receiver outputs.
ID-532 is a dual-channel true-diversity UHF system with AFS scanning, DPLL ID locking and an integrated mini antenna splitter. DG-25 is a dual-channel 1U true-diversity UHF option with regional band versions. DG-800 is positioned for window-intercom and speech applications with auto scanning and infrared pairing.
| Model | Published evidence | Best comparison role | Mandatory pre-order confirmation |
|---|---|---|---|
| EW-400 | 610–698 MHz listed range; four BNC antenna inputs; 10/30 mW transmitters; 8–14 hour stated battery life | Wideband professional performance platform | Legal destination band, actual transmitter set, simultaneous-channel plan and matching antenna hardware |
| K8004 | Four-channel UHF system; 530–950 MHz source range; balanced and mic-level outputs; 10 mW stated transmit power | Four-channel receiver package | Shipped tuning range, four-system RF test, included transmitters, antennas and output configuration |
| ID-532 | Dual-channel true diversity; AFS scanning; DPLL ID locking; integrated mini antenna splitter | Dense KTV and dual-channel projects | Receiver architecture, splitter scope, real simultaneous-room test and the complete accessory set |
| DG-800 | Dual-channel UHF; auto scanning; infrared pairing; LCD status display | Speech and window-intercom workflow | Current configuration, installation connections and frequency count because source descriptions differ |
| DG-25 | Dual-channel 1U true-diversity UHF; 513–558 / 615–665 / 780–820 MHz listed bands; >108 dB S/N; 200 m open-space claim | Dual-channel performance range | Legal band, real-venue diversity test, transmitter options and the conditions behind the range claim |
Evidence rule: published values above summarize the current product pages. Confirm the production-batch datasheet, destination-market legality, transmitter configuration and all accessories in the quotation before ordering.
Request RF evidence, not only range claims
Ask for the exact tuning range, selectable-frequency method, receiver architecture, antenna arrangement, output connections, transmitter power options and simultaneous-system guidance. Confirm which values apply to the shipped version.
For multi-system projects, evaluate antenna placement, distribution, cable loss and frequency coordination as one system. A long-distance test in an empty area does not prove stable operation in a crowded venue.
Run a repeatable sample test
Test every receiver channel and transmitter. Walk the real venue, introduce body blocking, change antenna positions and operate the planned number of systems simultaneously. Check audio output, mute behavior, battery reporting, startup, scanning or synchronization and recovery after interruption.
Record the frequency plan, accessories, power supply, transmitter type and test conditions. Keep the approved sample as the reference for repeat orders.
Approve the complete wholesale package
Confirm MOQ, lead time, packaging, manuals, plug type, warranty, spare transmitters, replacement capsules or cables, branding scope and carton data. For OEM projects, approve panel artwork and every included accessory.
Review EW-400, K8004, ID-532, DG-800 or DG-25.
Frequently asked questions
Wireless microphone wholesale FAQ
How should a distributor choose a wireless microphone?
Start with application, legal frequency range, simultaneous channels, transmitter format, RF environment and service requirements.
Is true diversity important?
It can improve dropout resistance, but antenna placement, RF coordination and the complete receiver design still need testing.
What should be confirmed before ordering?
Confirm the shipped frequency version, channel configuration, transmitters, accessories, power, packaging, certifications, warranty and QC plan.