Key takeaway
Key takeaways
- Audience size and venue shape move the number more than anything else
- Speech Package: Conferences, weddings and single-stage events, 4 – 12 channels
- Performance Package: Concerts, theatre and musicals, 16 – 32 channels including IEMs
- High-Density Coordination: Award shows, televised events and multi-stage festivals, 40+ channels
- Insist on an itemised quote naming exact models and every crew role
What drives the price of wireless microphones & IEMs
Wireless audio is a spectrum management problem wearing an audio costume. Every microphone and in-ear monitor transmitter occupies a frequency, and frequencies have to be chosen so that no two combine to produce an intermodulation product landing on a third. That calculation is done in software — Shure Wireless Workbench or Sennheiser's Wireless Systems Manager — against a scan of the actual venue taken at the actual time of day, because the UHF environment at 9 am in an empty hall bears little resemblance to the same room at 7 pm with press, broadcast trucks and two thousand phones in it. India's usable wireless microphone spectrum sits largely in the UHF television bands under WPC licensing, and that headroom is narrowing, which makes coordination more necessary rather than less.
Scope tiers
Speech Package
Conferences, weddings and single-stage events, 4 – 12 channels
- Four to twelve digital channels of handheld, lavalier or headset
- RF scan and coordinated frequency plan with two reserves held
- Directional antennas on an active distribution system
- Microphone allocation chart and fitting for every speaker
- RF technician on site for the duration
Performance Package
Concerts, theatre and musicals, 16 – 32 channels including IEMs
- Sixteen to thirty-two channels with microphones and IEMs coordinated together
- Frequency diversity on vocal and critical channels
- Mould-fitted IEM pieces where artists supply impressions
- Separate IEM antenna position to limit receive blocking
- RF coordinator plus a microphone technician on stage
High-Density Coordination
Award shows, televised events and multi-stage festivals, 40+ channels
- Forty or more coordinated channels across microphones, IEMs and comms
- Shared frequency plan with broadcast and press RF needs accounted for
- Multiple antenna zones with remote monitoring of every channel
- Spare transmitters dressed and live on reserve frequencies
- Full-time RF coordination desk for the duration of the event
What your event size actually needs
| Scale | Guests | Recommended setup |
|---|---|---|
| Panel or seminar | 100 – 300 | Four channels: two handheld, two lavalier, one antenna pair, two reserves held |
| Conference stage | 400 – 1,200 | Eight to twelve channels with headsets for presenters, active distribution, RF technician |
| Wedding or gala | 300 – 1,000 | Six to ten channels across mandap, stage and roaming, with a dressed spare held live |
| Theatre or musical | 500 – 2,000 | Twenty-four to thirty-two channels with headset mics per cast member and IEM cue feeds |
| Award or televised show | 2,000 – 5,000+ | 40+ channels coordinated with broadcast and press RF, multiple antenna zones, full-time coordinator |
What a real quote specifies
| Specification | Detail |
|---|---|
| Systems | Shure Axient Digital AD4Q, Sennheiser Digital 6000 / EM 6000 |
| Coordination software | Shure Wireless Workbench, Sennheiser Wireless Systems Manager |
| Spectrum | UHF television bands under WPC licensing, with narrowing available headroom |
| Scan practice | Full RF scan at load-in and again at the show hour with the venue populated |
| Frequency diversity | Critical channels transmitting on two frequencies simultaneously on Axient |
| Reserve frequencies | At least two clean spare frequencies held and unused per band |
| Antennas | Directional paddle or helical, mounted at height, away from LED walls and dimmers |
| Distribution | Active antenna distribution on low-loss cable rather than long runs to each receiver |
| IEM | Mould-fitted ear pieces, coordinated in the same plan as the microphone channels |
| Monitoring | Remote RF and battery monitoring so a technician sees a dropout building |
Where scope quietly expands
What can go wrong
How we prevent it
- What can go wrong
RF dropouts when the venue fills with phones and the press arrives.
How we prevent itFull RF scan at load-in, coordinated frequencies across all Axient channels, and two spare clean frequencies held in reserve.
- What can go wrong
A press or broadcast crew arrives with their own wireless on frequencies nobody coordinated.
How we prevent itA single shared frequency plan is published for the whole site, and arriving crews are allocated bands at accreditation rather than allowed to scan for themselves.
- What can go wrong
Antennas mounted behind an LED wall or beside dimmer racks pick up broadband noise.
How we prevent itAntennas are placed at height with line of sight to the performance area and routed well clear of LED panels, dimmers and LED fixtures on low-loss cable.
- What can go wrong
A lavalier on a heavy jacket or a sari rustles through every speech.
How we prevent itMounting is planned per outfit — vampire clips, tape positions and cable dressing agreed at fitting — and for critical speakers we recommend a headset boom instead.
How to get more value
Lock dates early in the October–March peak, combine services with one vendor so crew and transport are not duplicated, and schedule a single technical rehearsal rather than paying for idle build days. Get an itemised quote from Prime AV Solutions within 24 hours — call +91 93093 80958 or WhatsApp our producers.
Published 24 February 2026 by the Prime AV Solutions production team.