Shure BLX14R/SM35 Wireless Rack-Mount Headset System with SM35 Headset Microphone (H10 Band)

Shure BLX14R/SM35 Specifications:

System
Working Range: 91 m (300 ft) Line of Sight (Actual range depends on RF signal absorption, reflection and interference.)
Audio Frequency Response: 50 to 15,000 Hz (Dependent on microphone type)
Total Harmonic Distortion (Ref. ±33 kHz deviation with 1 kHz tone): 0.5%, typical
Dynamic Range: 100 dB, A-weighted, typical
Operating Temperature: -18°C (0°F) to 57°C (135°F) (Battery characteristics may limit this range.)
Polarity: Positive pressure on microphone diaphragm (or positive voltage applied to tip of WA302 phone plug) produces positive voltage on pin 2 (with respect to pin 3 of low-impedance output) and the tip of the high impedance 1/4-inch output.

BLX1
Audio Input Level:
max: -16 dBV maximum
min (0 dB): +10 dBV maximum

Gain Adjustment Range: 26 dB
Input Impedance: 1 MΩ
RF Transmitter Output: 10 mW, typical (varies by region)
Dimensions: 4.33 in. X 2.52 in. X 0.83 in. (110 mm X 64 mm X 21 mm) H x W x D
Weight: 2.6 oz. (75 g), without batteries
Housing: Molded ABS
Power Requirements: 2 LR6 AA batteries, 1.5 V, alkaline
Battery Life: up to 14 hours (alkaline)

Audio Input Level:
0dB: -20 dBV maximum
-10dB: -10 dBV maximum

Gain Adjustment Range: 10 dB
RF Transmitter Output: 10 mW, typical (varies by region)
Dimensions: 8.82 in. X 2.09 in. (224 mm X 53 mm) L x Dia.
Weight: 7.7 oz. (218 g) without batteries
Housing: Molded ABS
Power Requirements: 2 LR6 AA batteries, 1.5 V, alkaline
Battery Life: up to 14 hours (alkaline)

BLX4R
Output Impedance:
XLR connector: 200 Ω
6.35 mm (1/4") connector: 50 Ω

Audio Output Level (Ref. ±33 kHz deviation with 1 kHz tone):
XLR connector: –27 dBV (into 100 kΩ load)
6.35 mm (1/4") connector: –13 dBV (into 100 kΩ load)

RF Sensitivity: -105 dBm for 12 dB SINAD, typical
Image Rejection: >50 dB, typical
Dimensions: 1.57 in. X 7.40 in. X 4.06in. (40 mm X 188 mm X 103 mm) H x W x D
Weight: 8.5 oz. (241 g)
Housing: Molded ABS
Power Requirements: 12–15 V DC @ 235 mA (BLX88, 320 mA), supplied by external power supply (tip positive)

SM35
Type: Electret Condenser
Frequency Response: 40 Hz to 20,000 Hz
Polar Pattern: Unidirectional (Cardioid)
Output Impedance @ 1 kHz: 2400 Ω
Audio Output Level: -59.0 dBV/Pa
Signal-To-Noise Ratio ^[1] @ 1 kHz: 55 dB
Maximum SPL ^[1] (1000 Ω load, 1 kHz@ 1%THD): 153.0 dB
Dynamic Range ^[1] @ 1 kHz, 1000 Ω load: 114.0 dB
Equivalent Output Noise ^[1] (typical, A-Weighted): 39 dB

Power Requirements:
Connector Type:
TA4F: XLR connector
+5 V DC (nominal), 10 V maximum (DC bias): 12 to 52 V DC, phantom power

Polarity: Positive pressure on diaphragm produces positive voltage on pin 3 with respect to pin 1
Cable: 1.1 m (45 in.)
Connector: TA4F or XLR
Net Weight: 72 g (2.53 oz.)

^{[1] Measurements taken using RPM626 preamp
*All specifications measured with a 48 Vdc phantom power supply. The microphone operates at lower voltages, but with slightly decreased headroom and sensitivity.}

Each BLX14R/SM35 Retail Box Includes:

(1) BLX1 Bodypack Transmitter
(1) BLX4R single-channel rack mount receiver
(1) SM35 Performance Headset Condenser Microphone
(1) 53A8611 Rack Mount Bracket
(1) 53A8612 Long Rack Mount Bracket
(1) 53B8443 Link Bracket
(1) 90AZ8100 Hardware Kit
(1) 31B1856 Thread Adapter
(2) 95A8699 Antenna/BNC,1/4 Wave
(2) 95A8994 Adapter, Bulkhead, BNC
(1) 95B2313 Bag Vinyl, Zippered
(2) 95K2035 Cable, BNC, 22"
(1) PS24 Power Supply
(2) Windscreens
(1) Headset Clip
(1) User Guide