Shure BLX288UK/SM58-K3E Dual Handheld Wireless Microphone System

Description:

The BLX288/SM58 Wireless Dual Vocal System combines simple wireless setup, professional-grade performance, and two SM58 industry-standard vocal microphones to deliver warm and clear vocal reproduction.

Technical Specifications
Working Range: 91 m (300 ft) Line of Sight
Audio Frequency Response: 50 to 15,000 Hz
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)
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.

BLX2
Gain Adjustment Range: 10 dB
RF Transmitter Output: 10 mW, typical
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)

BLX88
Output Impedance
XLR connector Output Impedance: 200 Ω
6.35 mm (1/4") connector Output Impedance: 50 Ω
RF Sensitivity: -105 dBm for 12 dB SINAD, typical
Image Rejection: >50  dB, typical
Dimensions: 1.50 in. X 12.13 in. X 3.98in. (38 mm X 308 mm X 101 mm) H x W x D
Weight: 15.1 oz. (429  g)
Housing: Molded ABS
Power Requirements: 12–15 V DC @ 235 mA (BLX88, 320 mA), supplied by external power supply (tip positive)