Sennheiser 509412

Overview

The Sennheiser 509412 is a handheld wireless transmitter designed for professional audio applications, operating within the Q1-9 frequency band from 470 to 550 MHz. It delivers clear and reliable audio transmission with an impressive input dynamic range of 134 dB, allowing it to handle everything from soft whispers to powerful vocals without requiring gain adjustments. Built with a robust metal housing, this transmitter is well suited for demanding environments such as live performances, corporate events, and houses of worship.

Key features

• Wide input dynamic range that accommodates sources with significant level variations, ensuring consistent sound quality.
• Programmable switch that can function as mute or push-to-talk, giving users flexible on-mic control.
• E-Ink display that remains visible even when the unit is powered off, simplifying identification during setup and soundchecks.
• Optional BA 70 rechargeable battery provides up to 12 hours of continuous operation, supporting long events without interruption.
• 80 MHz tuning bandwidth enables easier frequency coordination in crowded RF environments, reducing interference risks.
• Bluetooth pairing facilitates quick and straightforward setup, while remote management is available through Sennheiser Control Cockpit and Smart Assist apps.
• Durable metal construction designed to withstand the rigors of touring and frequent use.
• Compatibility with interchangeable Sennheiser and Neumann capsules allows customization of the microphone’s sound character to suit different voices and instruments.

Key specs

• Frequency range: 470 to 550 MHz (Q1-9 band)
• Input dynamic range: 134 dB
• Tuning bandwidth: 80 MHz
• Battery life: up to 12 hours with optional BA 70 rechargeable battery
• Display type: E-Ink
• Housing material: metal

Connectivity and compatibility

This transmitter integrates seamlessly into the Sennheiser EW-DX digital wireless system, supporting a wide range of Sennheiser and Neumann capsules via the standard capsule interface. Bluetooth connectivity simplifies pairing and remote control, making it easy to manage settings from mobile devices or computers. These features make it a flexible choice for audio engineers managing complex setups or multiple channels.

Performance and reliability

With its high input dynamic range and robust metal body, the transmitter is built to deliver consistent, high-quality audio in challenging environments. The programmable switch and long battery life enhance usability for performers and presenters who need dependable control and extended operation during events. The E-Ink display adds practical value by allowing quick identification without powering the unit on.

Ideal uses and environments

This handheld transmitter is well suited for touring musicians, corporate presenters, houses of worship, and rental companies that require reliable wireless audio with flexible control options. Its ability to handle wide dynamic ranges and its durable design make it a strong choice for live events where sound levels can vary rapidly and equipment must endure frequent transport and setup.

Orders are processed within 2 business days, which includes verification, packing, and dispatch. Shipping costs are calculated at checkout based on destination, total weight, and selected speed. Free shipping applies to carts over $100 (excluding heavyweight items). All available options and final pricing are clearly shown before payment so you can choose the service that best fits your needs.

Deliveries are handled by major carriers such as USPS, UPS, and FedEx. Estimated delivery times are displayed at checkout and may vary depending on service level and location. Please note that these are estimates and can be affected by weather, holidays, or carrier volume. Once your order ships, you’ll receive a tracking number for real-time updates from pickup to final delivery.

Providing an accurate shipping address helps prevent delays, and changes may be limited once the order has been dispatched. P.O. boxes are supported only when permitted by the selected carrier. Packaging and handoff are optimized to protect items during transit, though oversized or high-weight products may require special handling. All shipping methods and any related constraints are clearly shown during checkout.

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Returns are accepted within 30 days of delivery. Items must be unused, in the same condition received, with tags, manuals, accessories, and original, unaltered packaging. Any item kept will be deducted from the refund. Start a return by sending us an email. Items sent back without approval may be refused or returned to the sender.

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After inspection, refunds are issued to the original payment method; allow 5–7 business days for the credit to post. Shipping, handling, customs duties, and import taxes are nonrefundable. If an item is used, incomplete, or not in original condition, a 30% restocking fee may apply. Direct exchanges are not offered; purchase the replacement and return the original for a refund.

We act solely as a reseller. Any product warranty is provided and administered by the manufacturer, not by our store. That means eligibility, coverage, and outcomes are determined by the manufacturer’s policy for each brand and model. Before purchasing, we recommend reviewing the warranty terms on the manufacturer’s website or in the product documentation to confirm what is covered and for how long.

If you need warranty service, please file the claim directly with the manufacturer. They may require proof of purchase, the product serial number, original packaging, photos, or basic troubleshooting. Some brands ask you to register the product or obtain a case number before shipping it for repair or replacement. We don’t submit or approve claims, but we can point you to the correct support links and contact details.

Keep your invoice and packaging in a safe place, and report any functional issues to the manufacturer as soon as they appear. If you’re unsure whether a problem is covered, the manufacturer’s support team can confirm next steps and timelines. While we cannot intervene in decisions or outcomes, we’re happy to provide purchase documentation or guidance so you can move through the warranty process smoothly.

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