Shure ULXD2/K11B-G57

The Shure ULXD2/KSM11B is a premium digital handheld transmitter for ULX-D systems, equipped with the KSM11 cardioid condenser capsule. Designed for live vocal applications, it delivers clear, focused sound with strong off-axis rejection, minimal handling noise, and a dent-resistant grille with built-in pop filtering.

Operating in the G57 band (470-608 MHz), it features a 138 MHz tuning range, AES-256 encryption, automatic gain adjustment, and an interchangeable capsule design. The KSM11 capsule uses a 3/4" gold diaphragm for detailed, dynamic vocal capture with transparent highs and rich lows.

User-friendly features include a backlit LCD, IR sync, 1/10/20 mW RF output, and a mute-enabled power switch. It runs up to 11 hours on AA batteries or 8.5 hours with the optional SB900B rechargeable battery, compatible with Shure's networked charging systems. Built with a lightweight aluminum body, the ULXD2/KSM11B is ideal for professional, secure, and flexible wireless performance.

• KSM11 Condenser Capsule: Premium cardioid capsule with focused vocal pickup, rich low end, and detailed high-frequency response.

• 3-Layer Pop Filter & Shockmount: Built-in grille reduces plosives and wind noise, while the internal shockmount minimizes handling noise.

• Interchangeable Capsule Design: Compatible with a variety of Shure capsules including SM58, Beta 87A, KSM9, and more.

• 138 MHz Wide Tuning Range: Covers 470"608 MHz for regional flexibility and high channel density.

• Professional Digital Audio Quality: Offers 24-bit/48 kHz clarity with consistent performance over a 330' range.

• AES-256 Encryption: Ensures secure audio transmission for high-security venues and events.

• Automatic Gain Ranging: Dynamically adjusts input levels for optimal sound, eliminating manual gain settings.

• Selectable RF Output Power: Options of 1, 10, or 20 mW allow balance between range and system capacity.

• User-Friendly Design: Backlit LCD, easy menu navigation, IR syncing, and power/mute switch for seamless control.

• Rugged Lightweight Housing: Durable aluminum body built for professional touring and production use.

• Battery Flexibility: Up to 11 hours on AA batteries or over 8 hours with the SB900B rechargeable battery (sold separately).

• Smart Docking Options: Compatible with SBC200 and SBC220 charging systems for efficient, networked power management.

GENERAL SPECIFICATIONS:

• Model: ULXD2/KSM11B-G57

• Wireless Technology: Digital UHF

• Compatibility: Shure ULX-D Digital Wireless Systems

• Capsule: KSM11 - Condenser, Cardioid Polar Pattern

• Capsule Interchangeability: Yes (compatible with KSM9, KSM9HS, SM58, SM86, SM87A, Beta 58A, Beta 87A, Beta 87C, etc.)

• Housing: Rugged aluminum with black finish

• Max SPL: >140 dB SPL (typical for KSM11)

• Polar Pattern: Cardioid

• Grille: 3-layer pop filter, dent-resistant steel and aluminum

• Shockmount: Integrated for handling noise isolation

• Dimensions: Approx. 10" x 2" (varies by capsule)

• Weight: Approx. 350 g (without batteries)

AUDIO & TRANSMISSION:

• Audio Resolution: 24-bit / 48 kHz digital audio

• Frequency Range: 470 to 608 MHz (G57)

• Tuning Bandwidth: 138 MHz

• RF Output Power: Selectable 1 / 10 / 20 mW

• Max Operating Range: Up to 100 m / 328 ft

• Sync Method: Infrared (IR)

DISPLAY & CONTROLS:

• Screen: Backlit LCD

• Interface: Menu navigation for frequency, group/channel settings, mute/lock status, RF power, and battery level

• Mute Function: Power button acts as a mute switch with RF lock

• Lockout Functions: Frequency and power lockout

SECURITY & GAIN CONTROL:

• Encryption: AES 256-bit

• Gain Adjustment: Proprietary Gain Ranging (automatic input optimization)

POWER & BATTERY OPTIONS:

• Standard Battery: 2 x AA (up to 11 hours)

• Rechargeable Battery: Shure SB900B - up to 8.5 hours

• Charging Options: SBC200 Docking Charger (dual), SBC220 Network Charger (monitoring via Wireless Workbench)

• Battery Metering: Precision in hours and minutes, no memory effect

PERFORMANCE & USE CASES:

• Ideal for: Touring artists and vocalists, Worship leaders, Broadcast and stage performances

• Acoustic Benefits: Rich low-end, transparent mids, detailed highs, High gain-before-feedback, Low off-axis coloration