MPN #ULXD2/K11B-G57    
Shure ULXD2/K11B-G57

$2179.00

Save 20.2%, MSRP $2729.00
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KSM11 condenser capsule, cardioid pattern, 470"608 MHz range, AES-256 encryption, 24-bit audio, pop protection grille, 1/10/20mW RF power, SB900B ready.



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
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