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Shure SLXD124/85M-J52 Digital Wireless Combo System with SM58 Handheld & WL185m Lavalier Microphones (Frequency Band: J52)
$1,129.00
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Expected June 30, 2026
Key Highlights
- Transparent 24-bit digital audio.
- Extended 20 Hz to 20 kHz frequency range (microphone dependent).
- 118 dB dynamic range.
- Digital predictive switching diversity.
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Featuring the legendary SM58 Cardioid Dynamic Microphone capsule on the SLXD2 handheld transmitter and the SLXD1 wireless bodypack transmitter with WL185m lavalier, the SLXD124/85M provides transparent digital audio and rock-solid RF stability for lecture halls and live performances.
The SLXD124/85M 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, SLXD2/58 handheld transmitter, SLXD1 bodypack transmitter and WL185m cardioid lavalier microphone with antenna and rackmount accessories and 4 AA batteries.
The SLXD124/85M 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, SLXD2/58 handheld transmitter, SLXD1 bodypack transmitter and WL185m cardioid lavalier microphone with antenna and rackmount accessories and 4 AA batteries.
Shure SLXD124/85M Combo System with Lavalier Features:
- Transparent 24-bit digital audio.
- Extended 20 Hz to 20 kHz frequency range (microphone dependent).
- 118 dB dynamic range.
- Digital predictive switching diversity.
- Operating range of 100 m (300 ft.).
- 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 IR scan and sync.
- Up to 8 hours from 2 AA batteries or optional Shure SB903 rechargeable battery.
- Interchangeable microphone capsules.
- SLXD4 features a rugged metal construction.
- SLXD1 features an ergonomic and durable plastic construction.
Shure SLXD4 Product Specifications:
GeneralBias Via BNC: n/a
Frequency Diversity: no
DANTE Audio Network Interface: no
Detachable Antennas: yes
Network Ability: yes
Software Control: yes
Antenna Cascade: no
Rack Mount Accessories: yes
Antenna Type: 1/4-wave
Line/Mic Switch: available through menu/no physical switch
Phantom Power Protection: yes
Dimensions:42 x 197 x 152 mm (1.65 x 7.76 x 5.98 in.), H x W x D
Weight:816 g, without antennas
Housing: Galvanized Steel
Power Requirements: 15 V DC @ 600 mA, supplied by external power supply (tip positive)
RF Input
Spurious Rejection: >75 dB, typical
Connector Type: BNC
Impedance: 50 Ω
Phantom Power Protection
1/4" (6.35 mm): Yes
XLR: Yes
Audio Output
Audio Frequency Response: 20 Hz- 20 kHz (+1, -2 dB)
Gain Adjustment Range: -18 to +42 dB in 1 dB steps
Configuration
1/4" (6.35 mm): Balanced (Tip = audio +, Ring = audio -, Sleeve = ground )
XLR: Balanced (1=ground, 2=audio +, 3=audio −)
Impedance
1/4" (6.35 mm): 1.3 kΩ (670 Ω Unbalanced)
XLR (line): 400 Ω (200 Ω Unbalanced)
XLR (mic): 150 Ω
Full Scale Output
1/4" (6.35 mm): +15 dBV differentially (+9 dBV single)
XLR: LINE setting= +15 dBV, MIC setting= -15 dBV
Mic/Line Switch
30 dB pad
Networking
Network Interface: Single Port Ethernet 10/100 Mbps
Network Addressing Capability: DHCP or Manual IP address
Maximum Cable Length: 100 m (328 ft)
Shure SLXD1 Product Specifications:
GeneralBattery Life (Lithium-Ion), Up To (h) NOTE: frequency band and power output dependent: 8
Battery Life (Alkaline), Up To (h) NOTE: frequency band and power output dependent: 8
Form Factor: Bodypack
Operating Range: 100m
Bodypack Connector Options: TQG (TA4F, 4-Pin Mini)
Battery Type: Rechargeable Li-Ion or 1.5 V AA batteries
Dimensions: 98 x 68 x 25.5 mm (3.86 x 2.68 x 1 in.), H x W x D
Weight: 89 g
Housing: PC/ABS
Audio Input
Connector: 4-Pin male mini connector (TA4M)
Configuration: See drawing for details
Impedance: 1 MΩ
Maximum Input Level: 8.2 dBV (2.57 Vrms, 7.27 Vpp)
Preamplifier Equivalent Input Noise (EIN): -118 dBV
RF Output
Antenna Type:
1/4 wave
Occupied Bandwidth: <200 kHz
Modulation Type: Shure proprietary digital
Power: 1 mW or 10 mW
Shure WL185M Product Specifications:
GeneralType: Condenser
Frequency Response: 70 to 20,000 Hz
Output Impedance (Using RPM400 preamplifier): 95 Ω
Polarity: Positive pressure on diaphragm produces positive voltage on pin 3 with respect to pin 1
Bias Voltage: 5 VDC bias voltage recommended at microphone connector pin 2 relative to pin 1.
Sensitivity
WL185m TA4F: -43.5 dBV/Pa
WL185m LEMO: -37 dBV/Pa
Maximum SPL
WL185m TA4F: 140.5 dB SPL
WL185m LEMO: 134 dB SPL
Self Noise (A-Weighted):
WL185m TA4F: 20 dB SPL
WL185m LEMO: 19.5 dB SPL
Dynamic Range
WL185m TA4F: 120.5 dB
WL185m LEMO: 114.5 dB
Each SLXD124/85M Retail Box Includes:
(1) Shure SLXD4 Digital Wireless Receiver(1) Shure SLXD1 Bodypack Transmitter
(1) Shure SLXD2/SM58 Digital Wireless Handheld Transmitter with SM58 Vocal Microphone
(1) Shure WL185m Low-profile Cardioid Lavalier Microphone
(1) Rackmount Kit
(4) AA Batteries
(1) Power Supply
(1) Single-Mount Tie Clip
(1) Snap-Fit Windscreen
(2) Carrying Pouches