Features of the Shure SLXD24D/SM58-H55 Dual Wireless Handheld System with SM58 Mic:

• For Two Performers or Presenters
• 2 x SM58 Dynamic Cardioid Mic Capsules
• 2 x Handheld Transmitters
• Dual-Channel Digital-Diversity Receiver
• 1760 Auto-Scan Frequencies
• 1/10mW RF Power
• LCD Screens, Ethernet for Group Scans
• Interchangeable Mic Capsule Design
• Compatible with 8-Hr Rechargeable SB903
• Expandable to 32 Mic Channels/330′ Range

Specifications:

System
Wireless Technology Digital UHF
Number of RF Channel Frequencies 1760
Included Transmitters 2 x Handheld
Diversity True Digital Diversity
RF Frequency Band H55:
514 to 558 MHz
RF Bandwidth 44 MHz
Frequency Step Size 25 kHz
RF Channel Scanning Auto-Scan
Max Operating Range 328′ / 100 m
Max Transmitters per Band 32
Sample Rate/Resolution 24-Bit
Latency 3.2 ms
Dynamic Range 120 dBA (Typical)
Encryption None
Receiver
Receiver Type Rackmount
Mounting Options Rackmount (with Included Hardware)
Rackmount Size 1 RU (Full Rack)
Antenna 2 x 1/4 Wave External, BNC (Rear-Mount)
Number of Audio Channels 2
Audio I/O 2 x XLR 3-Pin Male Balanced Mic/Line Output
2 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, Group, RF Level, 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 15.5 x 1.7 x 6″ / 393 x 42 x 152 mm
Weight 3.1 lb / 1.4 kg (without Antenna)
Transmitter
Transmitter Type 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 0.3″ / 37.1 x 6.9 mm
Weight 5.2 oz / 147 g
Microphone
Microphone Type Handheld Capsule
Sound Field Mono
Capsule Dynamic
Polar Pattern Cardioid
Frequency Range 50 Hz to 15 kHz
Sensitivity -54.5 dBV/Pa
CMRR None
Diameter 1.97″ / 50 mm