Micro không dây Shure BLX288A/B58

System

• 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

• Audio Input Level:

• 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  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: 1.50 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)