What's the difference between B/D and P/R channels on wireless microphones?

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Clear Com GM-9  9 in Plug-in gooseneck microphone


Clear Com GM-9 9 in Plug-in gooseneck microphone


$85.00


AUDIO TECHNICA ATR30 CARDIOID LOW IMPEDANCE MICROPHONE WITH CORD-WORKS GREAT


AUDIO TECHNICA ATR30 CARDIOID LOW IMPEDANCE MICROPHONE WITH CORD-WORKS GREAT


$19.99


On Stage MS7201B Round Base Microphone Stand Black


On Stage MS7201B Round Base Microphone Stand Black


$30.71


AKG PERCEPTION WIRELESS SPORTS SET Band A


AKG PERCEPTION WIRELESS SPORTS SET Band A


$249.00


Vintage Tascam PE-250 Moving Coil Large Diaphragm Microphone TEAC


Vintage Tascam PE-250 Moving Coil Large Diaphragm Microphone TEAC


$99.99


AKG Perception Wireless Sports Set Band A


AKG Perception Wireless Sports Set Band A


$249.00


Focusrite ISA-ONE Single Channel Mic Preamp ISAONE PRE Microphones --


Focusrite ISA-ONE Single Channel Mic Preamp ISAONE PRE Microphones —


$359.00


New! ART C2 Cardiod FET Condenser Microphone


New! ART C2 Cardiod FET Condenser Microphone


$259.00


Shure PG56 Instrument Microphone PG 56 Drum Mic


Shure PG56 Instrument Microphone PG 56 Drum Mic


$40.00


Radio Shack 33-9840 High Ball Dynamic Undirectional Microphone Cable Included


Radio Shack 33-9840 High Ball Dynamic Undirectional Microphone Cable Included


$19.99


LyxPro 1/4


LyxPro 1/4″ TRS to XLR Female Microphone Cable – 15 Ft – Red – for Professional


$17.47


LyxPro 1/4


LyxPro 1/4″ TRS to XLR Female Microphone Cable – 10 Ft – Green – for Professiona


$17.42


LyxPro 1/4


LyxPro 1/4″ TRS to XLR Female Microphone Cable – 10 Ft – Blue – for Professional


$17.42


Rode Boompole Microphone Boom Arm


Rode Boompole Microphone Boom Arm


$184.24


Hohner 560PBX-Bb + Hohner MZ2010 + Shure 520DX - Value Bundle


Hohner 560PBX-Bb + Hohner MZ2010 + Shure 520DX – Value Bundle


$215.08


Hohner Special 20 - Key of B Flat + Hohner HH01 + Shure 520DX - Value Bundle


Hohner Special 20 – Key of B Flat + Hohner HH01 + Shure 520DX – Value Bundle


$165.58


Hohner Special 20 - Key of B Flat + Hohner 154 + Shure 520DX - Value Bundle


Hohner Special 20 – Key of B Flat + Hohner 154 + Shure 520DX – Value Bundle


$174.58


Hohner Special 20 - Key of B Flat + Shure 520DX


Hohner Special 20 – Key of B Flat + Shure 520DX “Green Bullet” – Value Bundle


$160.54


ZOOM H4N H4NEXT HANDY MULTI TRACK RECORDER STEREO MICROPHONE


ZOOM H4N H4NEXT HANDY MULTI TRACK RECORDER STEREO MICROPHONE


$185.98


Audio Technica Freeway 200 Series VHF Lavalier Wireless System


Audio Technica Freeway 200 Series VHF Lavalier Wireless System


$75.00


Royer R-121 Matched Pair Ribbon Microphones  ( 2 ribbon mics)


Royer R-121 Matched Pair Ribbon Microphones ( 2 ribbon mics)


$1,900.00


2 Channel 50' Snake Dual Pair Mic Cable / Neutrik REAN XLR GEPCO D72401EZ


2 Channel 50′ Snake Dual Pair Mic Cable / Neutrik REAN XLR GEPCO D72401EZ


$59.99


Nady DKW-DUO LT/O Lav Wireless System Ch B/D


Nady DKW-DUO LT/O Lav Wireless System Ch B/D


$79.99


Blue enCORE 200 Dynamic Live Vocal Microphone LN


Blue enCORE 200 Dynamic Live Vocal Microphone LN


$131.99


Lot of XLR Cable Connectors NC3MX-BAG~~NC3FX-1-BAG  male 3-Pole female pin


Lot of XLR Cable Connectors NC3MX-BAG~~NC3FX-1-BAG male 3-Pole female pin


$29.99


Beyerdynamic Condenser Mic Microphone  MPC 23  WS set of 3


Beyerdynamic Condenser Mic Microphone MPC 23 WS set of 3


$0.01


Vintage Turner 98 Microphone Cardioid Mic 200 Ohms Articulating Rare unusual Old


Vintage Turner 98 Microphone Cardioid Mic 200 Ohms Articulating Rare unusual Old


$78.00


Shure SM57 Dynamic Cable Professional Microphone Cable Included


Shure SM57 Dynamic Cable Professional Microphone Cable Included


$44.99


NOS Unused 3-Pin Microphone Cable Adapter Amphenol 91 –Female and Male


NOS Unused 3-Pin Microphone Cable Adapter Amphenol 91 –Female and Male


$34.95


Shure UR2/SM58-L3 Handheld Wireless Microphone Transmitter with SM58 Head


Shure UR2/SM58-L3 Handheld Wireless Microphone Transmitter with SM58 Head


$250.00


Audix OM11 Dynamic Vocal Microphone OM-11


Audix OM11 Dynamic Vocal Microphone OM-11


$189.00


Neumann TLM49 TLM 49 Condenser Microphone NEW Cardioid Shock Mount


Neumann TLM49 TLM 49 Condenser Microphone NEW Cardioid Shock Mount


$1,699.95


NEUMANN TLM-103  TLM103 Anniversary Studio Condenser Microphone


NEUMANN TLM-103 TLM103 Anniversary Studio Condenser Microphone


$1,199.95


(2) AKG460B microphone(CK61-ULS)


(2) AKG460B microphone(CK61-ULS)


$1,000.00


Amplivox s207 - BeltBlaster Pro


Amplivox s207 – BeltBlaster Pro


$177.49


Shure Beta 58A Dynamic Stage & Broadcast Vocal Mic Beta58 OPEN BOX


Shure Beta 58A Dynamic Stage & Broadcast Vocal Mic Beta58 OPEN BOX


$139.00


6' Foot USB Music Keyboard, USB 2.0 Mic & DAW Controller Cable Low Latency NICE!


6′ Foot USB Music Keyboard, USB 2.0 Mic & DAW Controller Cable Low Latency NICE!


$15.00


At8313-25


At8313-25


$5.00


Mic Microphone Suspension Boom Scissor Arm Stand Holder for Studio Broadcast SY


Mic Microphone Suspension Boom Scissor Arm Stand Holder for Studio Broadcast SY


$12.99


Sennheiser ME2 omni lapel lavalier clip-on mic Evolution wireless EW100 ME-2


Sennheiser ME2 omni lapel lavalier clip-on mic Evolution wireless EW100 ME-2


$85.00


Sennheiser MD 421 II Cardioid Dynamic Mic


Sennheiser MD 421 II Cardioid Dynamic Mic


$469.28


VocoPro UHF-5805 Dynamic Wireless Microphone


VocoPro UHF-5805 Dynamic Wireless Microphone


$300.00


Shure QLXD1485 Wireless Lavalier Microphone with Wl185 - New


Shure QLXD1485 Wireless Lavalier Microphone with Wl185 – New


$1,076.00


Shure QLXD14/SM35 Headworn Wireless Microphone System - New


Shure QLXD14/SM35 Headworn Wireless Microphone System – New


$1,073.00


Microphone Computer Microphones SB Studio Microphone Musical Instrument Pro


Microphone Computer Microphones SB Studio Microphone Musical Instrument Pro


$99.99


NEW AUDIX i5PLUS MICS KIT W/SHIP.  (3 NEW i5 mics/ 1 NEW D6)...AUDIX DEALER


NEW AUDIX i5PLUS MICS KIT W/SHIP. (3 NEW i5 mics/ 1 NEW D6)…AUDIX DEALER


$375.00


NEW 3-PACK of AUDIX OM5 MICS - FREE METAL CASE & SHIP- AUDIX DEALER


NEW 3-PACK of AUDIX OM5 MICS – FREE METAL CASE & SHIP- AUDIX DEALER


$429.00


akg c451e


akg c451e


$300.00


ANSR AUDIO PRO AUDIO EQUIPMENT - MICROPHONES, TRANSMITTERS W/GATOR STORAGE CASE


ANSR AUDIO PRO AUDIO EQUIPMENT – MICROPHONES, TRANSMITTERS W/GATOR STORAGE CASE


$9.99


NEW QFX BLUETOOTH BATTERY POWERED PARTY SPEAKER MIC FM RADIO USB/SD REMOTE-GREEN


NEW QFX BLUETOOTH BATTERY POWERED PARTY SPEAKER MIC FM RADIO USB/SD REMOTE-GREEN


$119.00


PYLE-PRO PDWM4400 - 4 Mic VHF Wireless Lavalie/ Headset System


PYLE-PRO PDWM4400 – 4 Mic VHF Wireless Lavalie/ Headset System


$149.67


M-Audio Two Channel Portable USB & MIDI Interface With Cables and Software


M-Audio Two Channel Portable USB & MIDI Interface With Cables and Software


$140.00


Sennheiser EW122P G3 Wireless Bodypack Microphone System EW-122P


Sennheiser EW122P G3 Wireless Bodypack Microphone System EW-122P


$629.95


Sennheiser ew 300 IEM G3 In-Ear Wireless Monitor System  EW300 EW300iem


Sennheiser ew 300 IEM G3 In-Ear Wireless Monitor System EW300 EW300iem


$999.95


Neumann Purple Badge for U87 U47FET Etc. *


Neumann Purple Badge for U87 U47FET Etc. *


$47.98


Electro Voice 635a Dynamic Omni-Directional Microphone


Electro Voice 635a Dynamic Omni-Directional Microphone


$39.99


ECHO LAYLA 3G RECORDER, SHURE M267 MICROPHONE MIXER, REALISTIC MPA-20 AMPLIFIER


ECHO LAYLA 3G RECORDER, SHURE M267 MICROPHONE MIXER, REALISTIC MPA-20 AMPLIFIER


$9.99


6-pin Klein-Tuchel Receptacle for Neumann KM54 / KM5x Tube Microphone, NOS


6-pin Klein-Tuchel Receptacle for Neumann KM54 / KM5x Tube Microphone, NOS


$23.00


Sennheiser ew165G3 Handheld Wireless Microphone System ew165 with e865 Mic


Sennheiser ew165G3 Handheld Wireless Microphone System ew165 with e865 Mic


$749.95


Neumann SKM 184 NI  Cardioid Microphone Matched Stereo Pair KM184


Neumann SKM 184 NI Cardioid Microphone Matched Stereo Pair KM184


$1,599.00


Shure Beta 57A High-Output Supercardioid Dynamic Multi-Purpose Microphone - L@@K


Shure Beta 57A High-Output Supercardioid Dynamic Multi-Purpose Microphone – L@@K


$110.00


Vintage Neve 1081 Preamp EQ Boutique Audio Rack - Recapped Mic Line Module 1073


Vintage Neve 1081 Preamp EQ Boutique Audio Rack – Recapped Mic Line Module 1073


$5,750.00


# Inter M LM-9414 Mic Line Mixer


# Inter M LM-9414 Mic Line Mixer


$100.00


ART Pro Channel Microphone Preamp and Compressor Tube Mic Pro VLA Pro MPA


ART Pro Channel Microphone Preamp and Compressor Tube Mic Pro VLA Pro MPA


$245.00


Rode RODNTK Condenser Cable Professional Microphone


Rode RODNTK Condenser Cable Professional Microphone


$250.00


Pyle Pro Audio PWMA200 Rechargeable Pa System W/ Wireless Lavalier


Pyle Pro Audio PWMA200 Rechargeable Pa System W/ Wireless Lavalier


$49.99


(4) Mogami Gold Microphone Patch Cables 5' - 8' - 10' - 16'


(4) Mogami Gold Microphone Patch Cables 5′ – 8′ – 10′ – 16′


$26.95


Vintage Sansui SDM-1 dynamic microphones (2) mint condition


Vintage Sansui SDM-1 dynamic microphones (2) mint condition


$35.00


Presonus Digi Tube 2-Channel Microphone preamp


Presonus Digi Tube 2-Channel Microphone preamp


$45.00


Nady UHF-4 LT/HM-20U (115) Headset Wireless System Beige Ch 15


Nady UHF-4 LT/HM-20U (115) Headset Wireless System Beige Ch 15


$139.99


Shure SM57 Dynamic Professional Microphone Vintage Unidyne lll


Shure SM57 Dynamic Professional Microphone Vintage Unidyne lll


$34.95


Blue Yeti Blackout Ultimate Professional USB Microphone Black 240855 JWIC


Blue Yeti Blackout Ultimate Professional USB Microphone Black 240855 JWIC


$0.99


CBI MLC20 Low Z XLR Microphone Cable 20 Foot


CBI MLC20 Low Z XLR Microphone Cable 20 Foot


$10.26


Samson Meteor USB Mic LN


Samson Meteor USB Mic LN


$61.59


WEBCOR MICROPHONE


WEBCOR MICROPHONE


$9.99


SUPERLEX PROFESSIONAL DRUM MICROPHONE KIT (DRK-B5C2) 7-PC SET IN HARD CASE


SUPERLEX PROFESSIONAL DRUM MICROPHONE KIT (DRK-B5C2) 7-PC SET IN HARD CASE


$199.99


Ultimate Support TOUR-RB  Mic Stand, Round Base


Ultimate Support TOUR-RB Mic Stand, Round Base


$55.00


MONSTER SOUND PERFORMER 100 DYNAMIC MICROPHONE  BLACK


MONSTER SOUND PERFORMER 100 DYNAMIC MICROPHONE BLACK


$15.00


Sennheiser ME66 Shotgun Microphone with Softi-Case and Fur Windmuff K6 Module


Sennheiser ME66 Shotgun Microphone with Softi-Case and Fur Windmuff K6 Module


$260.00


Logitech (A-0234A) Rock Band Wired USB Microphone For Xbox 360, PS2, PS3,


Logitech (A-0234A) Rock Band Wired USB Microphone For Xbox 360, PS2, PS3,


$12.00


Countryman E6 Cap - Omni, Flat, Tan (E6 Omni Cap, Tan, Flat)


Countryman E6 Cap – Omni, Flat, Tan (E6 Omni Cap, Tan, Flat)


$9.99


Portable Sound System with Digital 2.4G wireless microphones


Portable Sound System with Digital 2.4G wireless microphones


$525.00


Blue Yeti Condenser Wired Professional Microphone


Blue Yeti Condenser Wired Professional Microphone


$70.00


Sennheiser Evolution Dynamic Vocal Microphone W/Cloth Bag E835 Germany Handheld


Sennheiser Evolution Dynamic Vocal Microphone W/Cloth Bag E835 Germany Handheld


$50.00


Shure SM99 Podium Supercardiod Condenser Microphone


Shure SM99 Podium Supercardiod Condenser Microphone


$40.00


On-Stage Stands Tripod Mic Stand With Boom


On-Stage Stands Tripod Mic Stand With Boom


$39.98


Blue Microphones Snowball USB Microphone (Brushed Aluminum) Brushed Aluminum


Blue Microphones Snowball USB Microphone (Brushed Aluminum) Brushed Aluminum


$85.45


shure sm58 wireless mic system


shure sm58 wireless mic system


$25.00


Shure WA302 - TA4F to 1/4


Shure WA302 – TA4F to 1/4″ (2.5′ TA4F to 1/4″ Guitar Cable)


$15.00


SHURE SM7B CARDIOID DYNAMIC VOICE-OVER STUDIO MIC SM-7B FREE 3-DAY SHIPPING


SHURE SM7B CARDIOID DYNAMIC VOICE-OVER STUDIO MIC SM-7B FREE 3-DAY SHIPPING


$311.11


Shure Super 55 SuperCardioid Dynamic Vocal Mic ~ MINT ~ Free Ship - Super55


Shure Super 55 SuperCardioid Dynamic Vocal Mic ~ MINT ~ Free Ship – Super55


$175.00


TRUE SYSTEMS PRECISION 8 MIC PRE


TRUE SYSTEMS PRECISION 8 MIC PRE


$1,850.00


NEW AMPLIVOX SW610A 50-WATT WIRELESS HALF MILE HAILER


NEW AMPLIVOX SW610A 50-WATT WIRELESS HALF MILE HAILER


$542.95


Miktek C7e (Lg Diaph Multi-Patt FET Mic)


Miktek C7e (Lg Diaph Multi-Patt FET Mic)


$899.00


TC Helicon VoiceLive Touch 2 Vocal Effects Processor + MP76 Microphone NEW


TC Helicon VoiceLive Touch 2 Vocal Effects Processor + MP76 Microphone NEW


$499.99


(2) Mogami Gold 36


(2) Mogami Gold 36″ Microphone Patch Cables


$26.95


Microphone shure pvm 46 diamond series New in box NO RESERVE!!


Microphone shure pvm 46 diamond series New in box NO RESERVE!!


$7.99


Microphone peavey pvm 38i New in box NO RESERVE!!


Microphone peavey pvm 38i New in box NO RESERVE!!


$7.99


Behringer XM8500 Microphone


Behringer XM8500 Microphone


$19.99


Pair of Samson C02 Super Cardidoid Condenser Microphones W/Case and Wind Guards


Pair of Samson C02 Super Cardidoid Condenser Microphones W/Case and Wind Guards


$79.99


I’m buying a wireless microphone kit and i need to select one of the two options and i don’t know which each does.


Information Related to Professional Microphones