The Shure AD3 is a digital handheld wireless plug-on microphone transmitter compatible with Axient Digital series receivers. The AD3 features a secure XLR connector and supplies 48 V phantom power, allowing you to use any handheld or shotgun XLR microphone with the Axient digital wireless system.
The transmitter operates in a single 146 MHz ultrawide UHF bandwidth with selectable 2/10/35mW RF output power and a transmission range up to 330'. It provides up to 8 hours of operation on two AA batteries or an SB900A lithium-ion rechargeable battery (available separately).
With a durable, moisture-resistant, lightweight aluminum housing, the AD3 transmitter delivers pristine audio quality and RF performance, AES 256-bit encryption for secure transmission, and advanced rechargeability options, making it ideal for high-profile, sound-reinforcement applications.
Specifications:
| Wireless Technology | Digital UHF |
| RF Frequency Band | 941 to 960 MHz |
| Max Operating Range | 328.1' / 100 m (Line of Sight) |
| Max Transmitters per Band | 47 |
| Latency | 2 to 2.9 ms (Selectable) |
| Encryption | AES 256 |
| Built-In Recorder | No |
| Mobile App Compatible | Yes (Android & iOS) — ShurePlus Channels |
| Included Transmitters | 1x Plug-On Microphone |
| RF Output Power | 10 / 2 / 35 mW |
| Antenna | Internal Single-Band Helical |
| Input Level | Microphone |
| Audio I/O | 1x XLR 3-Pin Female Input |
| Bias/Plug-In & Phantom Power | Bias/Plug-In Power: UnspecifiedPhantom Power: 48 / 12 V |
| USB I/O | 1x USB-C (Charging) |
| Muting | Programmable Mute Switch |
| Gain Range | -12 to +21 dB (3 dB Steps) |
| Auto-Level/Gain | Yes |
| Frequency Response | 20 Hz to 20 kHz |
| Sync Method | IR |
| Display | Backlit LCD |
| Transmitter Battery Type | 2x AA (Included) or 1x Shure SB900A - 750 mAh (Not Included) |
| Battery Life | 8 Hours (Alkaline), 8 Hours (Lithium Shure SB900A) |
| AC/DC Power Adapter | No |