The AD2/K8BN is a handheld wireless microphone transmitter compatible with Axient Digital Wireless Systems and includes the KSM8 microphone cartridge in a black finish. With breakthrough RF performance and wide tuning up to 184 MHz, the AD2/K8B puts professional-quality wireless digital audio within reach.
• Two transmission modes: Standard for optimal coverage and new High Density for maximum system channel count and robust coverage.
• Rugged metal construction in black finish.
• Backlit LCD with easy-to-navigate menu and controls.
• Low-profile, lockable power switch.
• Encryption-enabled, secure transmission.
• AA or SB900A lithium-ion rechargeable batteries for convenient power options.
• External contacts for docked charging.
RF Carrier Frequency Range: 470–616 MHz
Working Range: 330 ft (100 m)
RF Tuning Step Size: 25 kHz, varies by region
Image Rejection: >70 dB, typical
RF Sensitivity: -98 dBm at 0.0001 BER
Latency, Standard Mode: 2.08 ms
Audio Frequency Response: 20 – 20 kHz (+/-1 dB) Note: Dependent on microphone type
Total Harmonic Distortion: <0.01%
System Audio Polarity: Positive pressure on microphone diaphragm produces positive voltage on pin 2 (with respect to pin 3 of XLR output) and the tip of the 6.35 mm (1/4-inch) output
Operating Temperature Range: -18°C (0°F) to 50°C (122°F)
Storage Temperature Range: -29°C (-20°F) to 65°C (149°F)
Shure RF Carrier Band: G57
Latency, High Density Mode: 2.9 ms
Height: 10.1" (256 mm)
Weight: 10.1 lbs (4.6kg), without antennas
Housing: Cast Aluminum
Mic Offset Range: –12 to 21 dB (in 3 dB steps)
Battery Type: Shure SB900A Rechargeable Li-Ion or LR6 AA batteries 1.5 V
Battery Runtime (@ 10 mW using Shure SB900A): >11 hours
Battery Runtime (@ 10 mW using AA Alkaline): 8 hours
Diameter: 2.0" (51 mm)
Audio Input Configuration: Unbalanced
Antenna Type: Integrated Single-Band Helical
Occupied Bandwidth: <200 kHz
Modulation Type: Shure Axient Digital Proprietary
Power: 2 mW, 10 mW, 35 mW
Microphone Capsule: Shure KSM8
Type: Dual-diaphragm dynamic (moving coil)
Frequency Response: 40 to 16,000 Hz
Polar Pattern: Cardioid
Audio Dynamic Range (Dante Digital Output): 130 dB (A-weighted); 126 (unweighted) * System Gain @ +10
Audio Dynamic Range (XLR Analog Output): 120 dB (A-weighted); 117 (unweighted) *System Gain @ +10
(1) Shure AD2 wireless transmitter
(1) Shure KSM8 in Nickel wireless microphone capsule
(1) Zipper bag
(1) Euro-Threaded adapter
(1) Swivel adapter, black
(2) AA alkaline batteries
(1) Operator's instructions