
SI-1015 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $9.00 | Condition is Used, Sennheiser SI 1015 2-channel (switchable) infrared modulator NS-E1E, shipping cost = $8.75 | 98.7% |
![]() | $21.00 | Condition is Used, USED SENNHEISER SI 1015 IR MODULATOR, FREE SHIPPING | 97.9% |
![]() | $16.25 | Condition is Used, Sennheiser SI-1015 Dual Modulator with Blank Module NS-T3B, shipping cost = $8.75 | 98.7% |
![]() | $28.00 | Condition is Used, Sennheiser SI 1015 IR Modulator, FREE SHIPPING | 97.7% |
![]() | $28.00 | Condition is Used, Sennheiser SI 1015 Infrared Modulator Unit Only AS IS, FREE SHIPPING | 100.0% |
![]() | $29.73 | Condition is Used, Sennheiser SI 1015 IR MODULATOR 2-Channel IR Remote Control Transmitter, FREE SHIPPING | 99.8% |
![]() | $30.00 | Condition is Used, Pre Owned Sennheiser SI 1015 IR Modulator Only - Grey, FREE SHIPPING | 99.8% |
![]() | $34.99 | Condition is Used, Sennheiser SI 1015 Infrared Modulator (Unit Only), FREE SHIPPING | 99.5% |
![]() | $35.95 | Condition is Used, Sennheiser SI 1015 2-channel (switchable) infrared modulator (J018), FREE SHIPPING | ![]() |
![]() | $30.00 | Condition is Used, Sennheiser SI 1015 2-channel (switchable) infrared modulator-NS K7C, shipping cost = $8.75 | 98.7% |
![]() | $35.00 | Condition is Used, USED SENNHEISER SI 1015 IR MODULATOR, shipping cost = $5.00 | 100.0% |
![]() | $45.99 | Condition is Used, SENNHEISER SI 1015 IR Wideband Infrared Modulator, FREE SHIPPING | 99.7% |
![]() | $47.99 | Condition is Used, SENNHEISER SI 1015 IR MODULATOR - No Cords, FREE SHIPPING | 99.7% |
![]() | $47.99 | Top Pick! Condition is Used, SENNHEISER SI 1015 IR MODULATOR w/ Blank Module Rack Mount *No Power Adapter*, shipping cost = $21.00 | 99.5% |
![]() | $75.00 | Condition is Used, Sennheiser SI 1015 IR Modulator, FREE SHIPPING | 100.0% |
![]() | $75.00 | Condition is Used, Sennheiser SI-1015 Dual Modulator & GA 1031-CC Blank Module DJ Equipment Gear , FREE SHIPPING | 99.8% |
![]() | $75.73 | Condition is Used, Sennheiser SI 1015 IR MODULATOR 2-Channel IR Remote Control Transmitter, FREE SHIPPING | 99.8% |
![]() | $65.00 | Condition is Used, Sennheiser SI-1015 Dual Modulator & GA 1031-CC Blank Module DJ Equipment D686, shipping cost = $18.00 | 99.4% |
![]() | $89.95 | Condition is Used, Sennheiser SI-1015 Dual Modulator & GA 1031-CC Blank Module DJ Equipment Gear, FREE SHIPPING | 99.8% |
![]() | $89.99 | Condition is Used, Sennheiser SI-1015 Dual Modulator & GA 1031-CC Blank Module DJ Equipment Gear , FREE SHIPPING | ![]() |
![]() | $89.99 | Condition is Used, Sennheiser SI 1015 Infrared Stereo Modulator Germany Pro Audio Rackmount Transmi, shipping cost = $7.97 | 99.6% |
![]() | $79.99 | Top Pick! Condition is Used, 2x SENNHEISER SI 1015 IR MODULATOR w/ Rack Ears *NO POWER ADAPTERS*, shipping cost = $21.00 | 99.5% |
![]() | $137.49 | Condition is Used, SENNHEISER SI 1015 IR MODULATOR w/ Blank Module Equipment Gear Lot of 2, shipping cost = $14.95 | 98.8% |
![]() | $499.00 | Top Pick! Condition is Used, SENNHEISER SI 1015 Full System (10) Sennheiser HDI830 & EKI830 Receivers w/Dock, FREE SHIPPING | 99.9% |
![]() | $899.00 | Condition is Used, SENNHEISER SI 1015 Full System - Pre-Owned SZ1015/HDI830/EKI830/L300, shipping cost = $26.32 | 100.0% |
![]() | $950.00 | Top Pick! Condition is Used, SENNHEISER SI 1015 Full System - Pre-Owned (2)SZ1015/(14)HDI830/(4)EKI830/L300, shipping cost = $26.04 | 100.0% |
![]() | $999.00 | Condition is Used, SENNHEISER SI 1015 Full System - Pre-Owned (2)SZ1015/(11)HDI830/(9) EKI830/L300, shipping cost = $16.28 | 0.0% |
![]() | $1495.00 | Condition is Used, Sennheiser SI 1015 IR Assistive Listening Lot 5 Systems Headphones L 151 Charger, shipping cost = $36.88 | ![]() |

The Sennheiser SI-1015 Infrared Stereo Modulator is a professional-grade audio transmission solution designed for use in live sound applications, broadcasting, and installation projects. This rackmount transmitter and receiver system operates on the infrared frequency spectrum, ensuring reliable and interference-free audio transmission.
The SI-1015 transmitter features XLR and 1/4" input connectors, allowing it to accommodate both microphones and line-level sources. It also offers adjustable gain control, enabling users to set the optimal input level for their specific application. The transmitter's infrared emitter is designed with a wide emission angle, ensuring coverage for a large area.
The SI-1015 receiver, on the other hand, boasts XLR output connectors, providing a balanced output for high-quality audio. It features an easy-to-read LED display, which indicates the receiver's status and the strength of the audio signal being received. The receiver also offers adjustable gain control, allowing users to fine-tune the output level to their needs.
The SI-1015 Infrared Stereo Modulator is housed in a rugged, rackmount enclosure, making it an ideal choice for permanent installations. Its compact size ensures that it fits seamlessly into any professional audio setup, while its robust construction guarantees reliable performance in demanding environments.
The system operates on two AA batteries, which can be easily replaced without the need for tools. Additionally, it offers a low latency of just 2.5 ms, ensuring that the audio transmitted between the transmitter and receiver remains in sync.
In summary, the Sennheiser SI-1015 Infrared Stereo Modulator is a versatile and high-performance audio transmission solution for professional applications. Its reliable infrared technology, adjustable gain control, and compact, rugged design make it an essential tool for live sound engineers, broadcasting professionals, and audio installers.
The Sennheiser SI-1015/SI 1015 Infrared Stereo Modulator is a professional audio rackmount transmission system designed for applications where wired connections between audio equipment are impractical or impossible. Here are some pros and cons that might help you make an informed decision about purchasing this device:
Pros:1. Long-range transmission: The SI-1015/SI 1015 can transmit audio signals up to 100 meters (328 feet) line of sight, making it ideal for large venues or outdoor events where long cables would be a challenge.
2. Stereo transmission: This device supports stereo audio transmission, ensuring that both left and right channels are transmitted accurately and in sync.
3. Robust construction: The SI-1015/SI 1015 is built to withstand the rigors of professional use, with a rugged metal chassis and reliable components.
4. Easy setup: The device features an intuitive OLED display and simple menu structure, making it easy to configure and use.
5. Frequency agility: The SI-1015/SI 1015 supports multiple transmission frequencies, allowing you to choose the best one for your application to avoid interference.
Cons:1. Cost: The SI-1015/SI 1015 is a professional-grade device, and its price reflects its advanced features and high-quality construction.
2. Requires line of sight: While the long-range transmission capability is a major advantage, it also means that the transmitter and receiver must be in direct line of sight of each other for optimal performance.
3. Power requirements: The device requires an external power supply, which adds to the overall cost and complexity of the setup.
Conclusion:The Sennheiser SI-1015/SI 1015 Infrared Stereo Modulator is a high-performance, professional-grade audio transmission system that offers long-range, stereo transmission with robust construction and easy setup. However, its cost, power requirements, and line-of-sight limitations may make it a less practical choice for smaller applications or budget-conscious users.
Recommendation:If you require long-range, stereo audio transmission in a professional setting and have the budget for it, the Sennheiser SI-1015/SI 1015 is an excellent choice. However, if you have fewer transmission requirements or a tighter budget, you may want to consider other options, such as wireless microphone systems or shorter-range audio transmission solutions.
Details:
Features dual XLR audio inputs a and b, 2x NBC connectors, multi-pin terminal block outputs at rear, monitor peak indicators on front panel, power switch. Markings: Sennheiser branding, made in germany, si 1015 model number, serial number 102709, ce logo. Small scratches and scuffs present on casing. Brand: Sennheiser.
Unit is untested and sold as-is. See photos for details of wear. Rack mountable metal chassis with front handles/mounting brackets. Condition: used, shows moderate cosmetic wear and signs of use throughout.
Model: si 1015. Great for av integrator, event venues, or Sennheiser equipment collectors.
specifications audioproequip:
- brand: Sennheiser
- mpn: Si-1015
- color: Black
- compatible model: Si 1015
- type: Receiver Part
- unit type: Unit
- features: Tinted
- country/region of manufacture: Germany
seller audioproequip:
- city: waterbury, connecticut
- rating: 98.7%
- # reviews: 4640
general audioproequip:
- category: Musical Instruments > Pro Audio Equipment Parts
shipping audioproequip:
- class: standard
- type: fixed
- transit: 4-9 days
- service: usps ground advantage
- carrier: usps
payments audioproequip:
- credit card: visa
- other
- wallet: google-pay
offer audioproequip:
- prices: $499.00–$1495.00
- item condition: Used
- availability: in stock
- started: august 17, 2025
- options: ship-to-home
- best offers: true
- in stock #: 5
- sold #: 15
returns audioproequip:
- policy: no returns
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