The Samson Concert 99 Presentation combines 80 channels of high-definition audio and extreme reliability into a rugged all-metal, rack-mountable chassis with a stage-ready backlit display. With simple 1-touch setup, convenient monitoring, a 300' UHF operating range and impressive transmitter battery life, this frequency-agile system offers unprecedented value to presenters, educators and others in search of reliable wireless freedom.In both single and multi-system arrangements, the CR99 Wireless Receiver offers 80 total operating channels, selecting the best frequency option for your area. Quick to setup, the CR99's Group scan helps avoid conflicting frequencies, while its IR sync function allows users to wirelessly match the transmitter to the receiver’s operating frequency.The CR99 receiver features a bright, backlit LCD for monitoring on dark stages, even at long distances. The LCD also shows the exact battery life of your transmitter, along with the channel number and its corresponding UHF frequency.Audio reaches the CR99 Wireless Receiver receiver via the CB99 Beltpack Transmitter, which includes Samson's LM10 Omnidirectional Lavalier Microphone. Offering eight hours of battery life using two AA batteries (not included), the CB99 transmitter features a variable Gain control, popless 1-touch Mute button and metal belt clip.ApplicationsClub-date musiciansWedding DJs and performersHouse of worshipEducation/corporate AVATW-C510 cardioid dynamic microphone capsuleFeaturesConcert 99 Presentation SystemFrequency-agile UHF wireless system80 operating channels across 24MHz bandwidthUp to eight simultaneous systems per frequency band (region dependent)AC adapter and rackmount kit includedCR99 Wireless ReceiverRugged all-metal, rack mountable chassisMultifunctional backlit LCD (RF, audio, transmitter battery levels)Group scan for easy single or multi-system setupIR sync wirelessly matches receiver and transmitter frequencyTrue RF Diversity design minimizes dropoutsTone key prevents unwanted noise when transmitter is off/out of rangeRemovable 1/4-wave antennasBalanced XLR and 1/4" outputsCB99 Beltpack TransmitterLM10 Omnidirectional Lavalier Microphone with locking connectorOffers up to eight hours of battery life using two AA batteries300' operating range (line-of-sight)Variable Gain control1-touch MuteMetal belt clipSpecificationsConcert 99 Wireless SystemWorking Range: 300’ (100m) line of sightDynamic Range: >103dB A-weightedSignal To Noise: >90dBCR99 Wireless ReceiverAudio Output Level: Balanced +9dBu, unbalanced +14dBuAudio Output Impedance: Balanced 240Ω, unbalanced 810ΩCB99 Beltpack TransmitterInput Impedance: 1MΩRF Power: 10 mW EIRPBattery Life: 8 hours from 2 x AA batteries Samson SWC99BLM10-D Concert 99 Presentation Wireless System with LM10 Lavalier, D Band.