| { "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", "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 ¼-inch output." }, "BLX1": { "Audio Input Level": { "max": "-16 dBVmaximum", "min (0 dB)": "+10 dBVmaximum" }, "Gain Adjustment Range": "26 dB", "Input Impedance": "1 MΩ", "RF Transmitter Output": "10 mW, typical", "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)" }, "BLX2": { "Audio Input Level": { "0dB": "-20 dBVmaximum", "-10dB": "-10 dBVmaximum" }, "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)" }, "BLX4": { "Output Impedance": { "XLR connector": "200 Ω", "6.35 ㎜ (¼") connector": "50 Ω" }, "Audio Output Level": { "XLR connector": "–27 dBV (into 100 kΩ load)", "6.35 ㎜ (¼") connector": "–13 dBV (into 100 kΩ load)" }, "RF Sensitivity": "-105 dBm", "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)" }, "BLX88": { "Output Impedance": { "XLR connector": "200 Ω", "6.35 ㎜ (¼") connector": "50 Ω" }, "Audio Output Level": { "XLR connector": "–27 dBV (into 100 kΩ load)", "6.35 ㎜ (¼") connector": "–13 dBV (into 100 kΩ load)" }, "RF Sensitivity": "-105 dBm", "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)" } } |