Shure ULXD2/SM87 Digital Handheld Wireless Microphone Transmitter with SM87A Capsule

Product Overview

The Shure ULXD2/SM87 is a digital handheld wireless microphone transmitter for ULX-D and QLX-D receiver systems, equipped with the SM87A cardioid condenser capsule. Designed for vocal reinforcement in live sound, installed commercial AV, and corporate event environments, it combines natural condenser sound reproduction with the professional-grade digital platform of the ULXD2—delivering 24-bit/48 kHz audio, AES 256-bit encryption, and scalable multi-channel wireless coordination.

Product Description

The SM87A cardioid condenser capsule provides natural, open vocal sound with a smooth frequency response and extended high-frequency reproduction, making it well-suited for speech and vocal reinforcement in conference rooms, houses of worship, and commercial event spaces. The ULXD2 transmitter body features lightweight aluminum construction with an integrated antenna and Shure Gain Ranging technology, which automatically optimizes dynamic range without manual transmitter adjustments in the field. AES 256-bit encryption supports secure transmission in commercial, corporate, and government facilities. The optional SB900C rechargeable lithium-ion battery delivers over 9 hours of runtime with precision hour/minute metering on the backlit LCD. Pair with the Shure ULXD4 Single-Channel Wireless Receiver or ULXD4D Dual-Channel Receiver to complete the wireless system.

Key Features

• SM87A Cardioid Condenser Capsule — Delivers natural, extended high-frequency vocal reproduction with smooth frequency response suited for speech reinforcement and live vocal performance in commercial AV applications.
• AES 256-Bit Encryption — Provides secure digital audio transmission for government, corporate, and sensitive commercial AV deployments.
• Shure Gain Ranging Technology — Automatically optimizes system dynamic range for any input source, reducing setup complexity and eliminating manual transmitter gain adjustments.
• 9+ Hour Rechargeable Battery — Optional SB900C lithium-ion battery provides over 9 hours of runtime with zero memory effect and real-time metering on the backlit LCD.
• Rugged Aluminum Body with Integrated Antenna — Lightweight construction engineered for touring, rental, and permanent commercial installation environments.
• Field-Replaceable RPW Capsule System — The ULXD2 body accepts compatible Shure RPW wireless cartridges, including the RPW116 SM87A wireless replacement capsule.
• Backlit LCD with Controls — Intuitive front-panel interface enables quick field configuration and transmitter status monitoring.
• ULX-D and QLX-D System Compatibility — Integrates with ULXD4, ULXD4D, ULXD4Q, and QLXD4 receivers for scalable single and multi-channel wireless deployments.

Typical Applications

• Corporate conference room and boardroom presentations
• House of worship vocal and speech reinforcement
• Government and commercial meeting facility audio
• Commercial multi-purpose room and training room AV
• All-hands and corporate event live sound
• Performing arts and auditorium vocal reinforcement

Technical Specifications

Frequently Asked Questions

Q: What receivers are compatible with the ULXD2/SM87?
A: This transmitter is compatible with ULX-D receivers (ULXD4, ULXD4D, ULXD4Q) and the QLX-D receiver (QLXD4). Frequency bands must match when purchasing components separately.

Q: How does the SM87A capsule compare to the SM86 on the ULXD2 platform?
A: The SM87A and SM86 are both cardioid condenser capsules on the ULXD2. The SM87A has a slightly different voicing and presence boost tailored for vocal applications where a brighter character is preferred.

Q: Can the SM87A capsule be replaced on the ULXD2 body?
A: Yes. The ULXD2 body accepts interchangeable RPW wireless cartridges. The RPW116 is the SM87A wireless replacement capsule; other compatible RPW capsules are also available.

Q: Does this system support Wireless Workbench and control system integration?
A: Yes. When paired with a networked ULXD4 or ULXD4D receiver, the system integrates with Wireless Workbench 6 and supports AMX/Crestron control for enterprise AV deployments.