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SHURE SLXD24A/B87A Digital Wireless System
ชุดไมค์ลอยมือถือเดี่ยว SHURE SLXD24A/B87A เป็นชุดไมค์ลอยแบบดิจิตอล 24 บิต คลื่นความถี่ 694-703 MHz และ 748-758 MHz, ในชุดประกอบด้วยเครื่องรับสัญญาน SLXD4 receiver 1 เครื่อง, เครื่องส่งสัญญาณ SLXD2/B87A (ไมโครโฟนไร้สาย SHURE โดยมีหัวไมค์เป็นรุ่น BETA87A) 1 ตัว

The SLXD24/B87A Wireless System delivers transparent, 24-bit digital audio and rock-solid RF performance for a wide range of applications, from day-long presentations to nighttime performances.

Operate up to 32 compatible systems per 44 MHz band, with easy setup and optional rechargeability accessories for wireless excellence, wherever required. Ships with SLXD4 single-channel receiver and SLXD2/B87A handheld transmitters with antenna and rackmount accessories and 2 AA batteries.

Features:
For Presenters and Performers
Beta 87A Supercardioid Condenser Capsule
Handheld Transmitter
Digital Predictive-Diversity Receiver
Transparent 24-bit digital audio
Extended 20 Hz to 20 kHz frequency range (microphone dependent)
120 dB dynamic range
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
Easy pairing of transmitters and receivers over scan and IR sync
Rugged metal construction
Specifications
System
Wireless Transmission Digital UHF
Number of RF Channels 1760
Included Transmitters 1 x Handheld
Diversity True Digital Diversity
RF Frequency Band M55: 694-703 MHz และ 748-758 MHz
RF Bandwidth 44 MHz
Frequency Step Size 25 kHz
RF Channel Scanning Auto-Scan
Max Operating Range 328′ / 100 m
Max Systems per Setup 32
Sample Rate/Resolution 24-Bit
Latency 3.2 ms
Dynamic Range 120 dBA (Typical)
Encryption None
Receiver
Form Factor Tabletop / Rackmount
Mounting Options Rackmount (with Included Hardware)
Rackmount Size 1 RU (1/2 Rack)
Antenna 2 x 1/4 Wave External, BNC (Rear-Mount)
Number of Audio Channels 1
Audio I/O 1 x XLR 3-Pin Male Balanced Mic/Line Output
1 x 1/4″ TRS Female Balanced Output (Lockable)
Gain Range 0 to +21 dB (3 dB Steps)
Pad 30 dB
Audio Output Level -18 to +42 dB (Balanced, Unbalanced)
Phantom Power Protection On 1/4″, XLR Outputs
Frequency Response 20 Hz to 20 kHz +1/-2 dB (Dependent on Mic)
Network I/O 1 x RJ45 (10/100 Mb/s)
Network Protocols DHCP, Manual IP
Impedance 1/4″ Output: 1.3 Kilohms (Balanced), 670 Ohms (Unbalanced)
XLR Output: 400 Ohms (Balanced), 150 Ohms (Balanced)
Adjacent Channel Isolation >70 dB
Spurious Rejection: >75 dB
Power Requirements AC/DC Power Adapter
AC/DC Power Adapter 15 VDC at 600 mA, Center-Positive (Included)
AC Input Power 100 to 240 VAC, 50 / 60 Hz
Display & Indicators LCD (AF Level, Channel, Frequency, Group, RF Level, Sync, Transmitter Battery Status)
Housing Steel
Operating Temperature 0 to 122°F / -17 to 50°C
Storage Temperature -20 to 165°F / -28 to 73°C
Dimensions 7.8 x 1.7 x 6″ / 197 x 42 x 152 mm
Weight 1.8 lb / 816 g (without Antenna)
Transmitter
Form Factor Handheld
RF Output Power 1 / 10 mW
Audio I/O None
Pad None
Muting None
Audio Input Level 8.2 dBV
Auto-Level Control No
Gain Range 0 +21 dB
Signal Processing None
Frequency Response 20 Hz to 20 kHz (Dependent on Mic)
Sync Method IR
Antenna Internal Single-Band Helical
Power Requirements Battery
Battery Type 2 x AA (Included)
1 x Shure SB 903 (Not Included)
Battery Charging Time 1.25 to 5.5 Hours
Approx. Battery Life 8 Hours (Lithium Shure SB903)
8 Hours (Alkaline)
USB/Lightning Connectivity None
Display & Indicators LCD (Battery Status, Channel, Group, Power)
Housing Aluminum
Operating Temperature 0 to 122°F / -17 to 50°C
Storage Temperature -20 to 165°F / -28 to 73°C
Dimensions 1.5 x 6.9″ / 37.1 x 176 mm
Weight 5.2 oz / 147 g
Microphone
Form Factor Handheld Capsule
Sound Field Mono
Capsule Electret Condenser
Polar Pattern Supercardioid
Frequency Range 50 Hz to 20 kHz
Equivalent Noise Level 28 dB A-Weighted
Maximum SPL 140.5 dB SPL
Sensitivity -51.5 dBV/Pa
CMRR None
Dynamic Range 117 dB
Diameter 2.01″ / 51.1 mm