Best Frequency Battery Quantity Of

Shure SLXD24D/B58 Dual Channel Wireless Microphone System with 2 BETA 58A Handheld Mics, SLXD24D/B58-G58

WIRELESS FREQUENCY BAND SELECtION: Before purchasing, please ensure that the wireless frequency band you select works in your area (refer to Shure website for details > search Shure Wireless Frequency Finder)..
WHAT'S IN THE BOX: (2) SLXD2 handheld transmitter with Beta 58A cardioid dynamic microphone capsules and (1) SLXD4D dual-channel receiver, with antenna and rackmount accessories, (2) zippered bag and (4) AA batteries.
DIGITAL WIRELESS TECHNOLOGY: Digital predictive switching diversity. 44 MHz tuning bandwidth (region dependent). 32 available channels per frequency band (region dependent). Up to 10 compatible systems per 6MHz TV band.
12 systems per 8 MHz band. RF Scan and IR Sync to quickly find an open frequency and link the transmitter to a SLX-D receiver. Easy pairing of transmitters and receivers over IR scan and sync..
BATTERY LIFE: Up to 8 hours from 2 AA batteries. Upgrade to the optional Shure SB903 Lithium-ion rechargeable battery to monitor battery charge status in hours and minutes, as well as battery life and health statistics..

Electronic Stethoscope is very professional, the headphones with a anti-noise switch can block outside sound very well, it can quickly monitor noise for the machines equipment, help you to find the problems to save your time..
Frequency: 30Hz ~ 15KHz, Operating temperature -10 ~ +45 °C.
The headphones are also equipped with a volume control.
Earphone Leak Detector comes with high sensitive long short probe and an adjustable headset.
Battery 4 x AAA batteries need and keeps continuous work for 38 hours, Intelligent low-quantity of electricity warning（Due to product transportation safety issues, batteries are not standard accessories）.

Complete Flexibility - Choose from powerful single frequencies or select a simultaneous multi-frequency mode to achieve excellent detection on all targets in all soils or sands..
8 Channels per Frequency - 8 independent frequency shifts for each single and multi-frequency - 48 different frequency settings..
Six Detection Modes + Pinpoint - Zero, Coins, US Coins, Jewelry, Relics, and Custom..
Rechargeable Battery - Built-in rechargeable lithium-ion battery provides up to approximately 15 hours of use, depending on the setting..

Sensitivity: 99 dB Mounting depth: 2.875 inches 1.5-inch KSV voice coil Steel basket Impedance: 8 ohms 20-ounce magnet Size: 8 inches.
Diamond chrome cutting finish Ferro fluid enhanced voice coil Input sensitivity: 99 dB Frequency response: 2k 25kHz Part number: ATR-3721 Quantity: 2.
Brand: AudioPipe MPN: 4 x APMB-8SB-C + 2 x ATR-3721 UPC: 193802178814.
250 watts of max power 125 watts of RMS power RMS power handling: 175 watts each 3.75 inch titanium bullet tweeters Frequency response: 350-5000 Hz.
Part number: APMB-8SB-C Quantity: 4 Audiopipe ATR-3721 3.75" 350W Titanium Car Audio Pro Tweeters Peak power handling: 350 watts each Impedance: 4....

Complete Flexibility - Choose from powerful single frequencies or select a simultaneous multi-frequency mode to achieve excellent detection on all targets in all soils or sands..
8 Channels per Frequency - 8 independent frequency shifts for each single and multi-frequency - 48 different frequency settings..
Six Detection Modes + Pinpoint - Zero, Coins, US Coins, Jewelry, Relics, and Custom..
Rechargeable Battery - Built-in rechargeable lithium-ion battery provides up to approximately 15 hours of use, depending on the setting..

HEARING PROTECTION EARMUFFS: Protect your hearing with a 23 dB noise reduction rating through variable dynamic sound suppression.
Provides clear balanced sound with sound-activated compression reaction of 0.02 seconds.
BLUETOOTH TECHNOLOGY: Integrated Bluetooth allows you to listen to music or communicate with others while on the range.
OMNI-DIRECTIONAL MICS: Provides excellent clarity for voice with 4 high-gain Omni-directional mics and reduces noise from wind.
Can be used outdoors and indoors and uses advanced digital circuit for great sound reduction and frequency amplification.
COMFORTABLE FIT: Fits comfortably over your head and ears with cushioned ear cups and ergonomic headband design with controllable by voice mode navigation or the controls located on the headband.
AUTO SHUT-OFF: Saves battery life with auto shut off after 2, 4, and 6 hours and features a low battery warning.
Composite housing gives you more effective sound dampening.

Complete Flexibility - Choose from powerful single frequencies or select a simultaneous multi-frequency mode to achieve excellent detection on all targets in all soils or sands..
8 Channels per Frequency - 8 independent frequency shifts for each single and multi-frequency - 48 different frequency settings..
Six Detection Modes + Pinpoint - Zero, Coins, US Coins, Jewelry, Relics, and Custom..
Rechargeable Battery - Built-in rechargeable lithium-ion battery provides up to approximately 15 hours of use, depending on the setting..

... and interference, Individual microphone volume control, Comfortable ergonomic composite microphone construction, Low power consumption for longer battery life, Ultra signal stability minimizes audio artifacts.
OSA technology: Locates, prioritizes, and selects the clearest frequency for the best sound quality, The display on the mic and the receiver show the battery life, Operating Range: 200´-260´(indoor), 160´-220´(outdoor), Channel: 200 Channel selection, Frequency Range: 500MHz-599MHz, Frequency Stability: ±0.005%.
, Frequency Response: 40Hz-15KHz(±3 dB), Dynamic Range: 110dB, S/N: 90dB, T.H.D: < 0.1%(1KHz), Audio Output Jack: (Ch1/Ch2) XLR balanced + 1/4" mixed, Power Voltage: AC110V-240V 50/60Hz, Operating Temperature: 14°F-122°F, Mic Battery Operating Time: up to 8 hours.

Complete Flexibility - Choose from powerful single frequencies or select a simultaneous multi-frequency mode to achieve excellent detection on all targets in all soils or sands..
8 Channels per Frequency - 8 independent frequency shifts for each single and multi-frequency - 48 different frequency settings..
Six Detection Modes + Pinpoint - Zero, Coins, US Coins, Jewelry, Relics, and Custom..
Rechargeable Battery - Built-in rechargeable lithium-ion battery provides up to approximately 15 hours of use, depending on the setting..