Sennheiser 509615

Overview

The Sennheiser 509615 is a wireless in-ear monitor system designed to provide clear and reliable audio monitoring for live performers, broadcast professionals, and theater crews. Operating in the 566 to 608 MHz frequency range with a 42 MHz tuning bandwidth, it offers up to 1680 selectable frequencies to ensure interference-free sound. The system includes a durable SR IEM G4 transmitter and two EK IEM G4 beltpack receivers, each paired with IE 4 earphones that deliver detailed audio reproduction. With a transmission range of up to 300 feet, it supports freedom of movement on stage or set while maintaining a stable connection.

Key features

• Wide tuning bandwidth and numerous selectable frequencies make it easy to find clean channels even in RF crowded environments.
• Durable metal housing on the transmitter ensures long-lasting performance and easy rack mounting.
• Infrared sync allows quick and effortless pairing of transmitter and receivers with a single button press.
• OLED display on the transmitter provides clear, real-time information on frequency, output power, and audio levels.
• Adjustable RF output power up to 50 mW helps maintain signal strength in challenging venues.
• Built-in limiter on each receiver protects hearing by limiting volume spikes, adjustable between -18 dB and -6 dB.
• Long battery life of up to six hours using standard AA batteries or rechargeable alternatives supports extended use without interruption.
• Compatibility with Sennheiser WSM software enables advanced frequency management for complex multi-system setups.

Key specs

• Frequency range: 566 to 608 MHz
• Tuning bandwidth: 42 MHz
• Selectable frequencies: up to 1680
• Transmission range: up to 300 feet
• Transmitter output power: adjustable up to 50 mW
• Receiver limiter range: -18 dB to -6 dB
• Battery type: standard AA or rechargeable batteries
• Battery life: up to 6 hours
• Transmitter display: OLED screen

Connectivity and compatibility

The system is designed to integrate seamlessly into professional audio setups, supporting multiple wireless channels managed through Sennheiser WSM software. The transmitter’s half-rack metal housing fits standard audio racks, making it suitable for touring rigs, fixed installations, and corporate event setups. The infrared sync feature simplifies setup by automatically transferring frequency and system data to the receivers, ensuring quick deployment in live environments.

Ideal uses and environments

This wireless monitor system is well suited for live music performances, theater productions, broadcast studios, and corporate events where clear and dependable in-ear monitoring is critical. Its robust RF performance and flexible frequency options make it a strong choice for venues with dense wireless activity. Performers and crew members benefit from the system’s reliable range and hearing protection features, allowing them to focus on their work without distraction.

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.

Some items are not returnable: opened TVs/combos/monitors 37″+, opened computers or software, electronic downloads, opened consumables (film, paper, bulbs, media, ink), custom or modified computers, special-order or “nonreturnable” items, submerged underwater gear, and opened educational media.

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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