Shure ADX2/K9HSB Digital Handheld Transmitter with KSM9HS Capsule G57 Band (470-608 MHz)

The ADX2/K9HSB is a premium Axient Digital handheld transmitter equipped with Shure’s KSM9HS condenser capsule, offering switchable hypercardioid and subcardioid patterns for precise vocal control on demanding stages. Built-in ShowLink enables real-time remote control and automatic interference avoidance for mission-critical productions.

A rugged, moisture-resistant metal housing, backlit LCD, IR sync, and encryption support professional workflows. Wideband G57 tuning and selectable RF power provide deployment flexibility, while the SB920A rechargeable battery delivers long runtime with external contacts for docking chargers.

Key Features

• Included Capsule: KSM9HS condenser; switchable hypercardioid/subcardioid
• ShowLink Control: Remote parameter control and interference avoidance
• Security: Encryption-enabled transmission
• Operating Modes: Standard and High Density for channel count optimization
• Power & Charging: SB920A Li-ion (external charge contacts); dockable charging
• Construction: Durable, moisture-resistant lightweight metal body (black)

Technical Specifications

• Model / Band: ADX2/K9HSB=-G57 (G57; 470–608 MHz)
• Tuning Range: Wide tuning up to 184 MHz (system/region dependent)
• RF Output Power: 2 / 10 / 40 mW (region dependent)
• Battery Runtime: Up to ~9 hours with SB920A
• Audio Frequency Response: 50 Hz – 20 kHz (capsule dependent)
• Gain Offset Range: –12 to +21 dB (3 dB steps)
• Dimensions (L × Dia): 10.0" × 2.0" (25.4 × 5.1 cm)
• Weight (without battery): 11.9 oz (0.338 kg)
• Housing: Aluminum; integrated antenna

What's Included

• 1x ADX2 handheld transmitter with KSM9HS capsule
• 1x SB920-series rechargeable lithium-ion battery