StarTech. com UR9-HEADSET-ADAPTER USB-C to RJ9 Adapter for Office Phone Handset or Wired/Wireless Headset - 6ft (1. 8m) Black
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Product Features
Technical Overview
This adapter features a USB 2.0 Type C male connector on one end and an RJ-9 phone male connector on the other, with a 5.9-foot (1.80-meter) cable between them. The USB-C end utilizes a 24-pin configuration supporting USB 2.0 data transfer speeds up to 480 Mbit/s, while the RJ-9 end follows standard telephony pinouts for compatibility with traditional phone hardware.
The adapter incorporates a 32-bit audio processor with a sampling rate range of 8 to 96kHz, ensuring high-definition mono audio output suitable for voice communication. This technical foundation supports plug-and-play operation across multiple operating systems without requiring additional drivers or software installation.
This section brings together practical product details such as Cable Type, Cable Length, Connector Type on First End, Color Family, so buyers can judge configuration, deployment fit, and day-to-day suitability with less guesswork.
Key Product Advantages
This adapter provides a cost-effective way to modernize telephony setups without replacing functional RJ9-based equipment. By connecting legacy handsets and headsets to contemporary USB-C devices, organizations can maintain their existing hardware investments while gaining compatibility with modern computing platforms.
Universal Compatibility
Works with Windows, macOS, Android, iOS, and iPadOS devices, plus specific headset amplifiers from Sennheiser/EPOS and Plantronics/Poly.
- No drivers required
- Cross-platform support
- Specific amplifier compatibility
Professional Audio Quality
Delivers clear mono audio through a dedicated 32-bit audio processor, ensuring reliable voice transmission for business calls and conferences.
- 32-bit audio processing
- 8-96kHz sampling
- Optimized for voice
IT-Grade Construction
Designed for IT professionals with a flexible 6-foot cable, black finish, and backed by a 2-year warranty with technical support.
- 6ft flexible cable
- Black professional finish
- 2-year warranty
Deployment / Use Cases
This adapter is ideal for office environments where employees need to connect traditional desk phone handsets or professional headsets to modern laptops or mobile devices. The 6-foot cable provides sufficient length for tidy cable management while allowing comfortable movement during calls.
Common deployment scenarios include connecting RJ9-based telephone handsets to USB-C equipped computers for VoIP softphone applications, linking wireless headset amplifiers to laptops for unified communications platforms, or adapting legacy telephony equipment for use with modern mobile devices in hybrid work environments.
Office Telephony Modernization
Connect existing desk phone handsets to laptops running softphone applications, extending hardware lifespan while enabling modern VoIP capabilities.
Professional Headset Integration
Link wired or wireless headset amplifiers to computers and mobile devices for clear audio in call centers, remote work setups, or conference rooms.
Physical Profile
The adapter features a black finish that blends with professional office equipment. With a weight of just 1.80 ounces (51.03 grams), it adds minimal bulk to setups. The 5.9-foot cable provides flexible routing options for clean desk arrangements while offering sufficient reach for comfortable use during extended calls or video conferences.
The physical profile is practical for deployment planning because the dimensions and weight are clearly defined: 1.80 oz (51.03 g). This helps confirm rack, shelf, desk, or cabinet fit before installation.
- Weight
- 1.80 oz (51.03 g)
- Length
- 5.9 ft (1.80 m)
Highlights
- Connect RJ9 office phone handsets or headsets to USB-C laptops, desktops, or mobile devices
- 5.9-foot (1.8m) cable provides flexible routing and comfortable movement during calls
- Plug-and-play compatibility with Windows, macOS, Android, iOS, and iPadOS
- Works with Sennheiser/EPOS UI760 and Plantronics/Poly Vista M22 headset amplifiers
- 32-bit audio processor delivers clear mono audio for VoIP applications
- Black finish complements professional office environments
- USB 2.0 Type C to RJ-9 phone connector configuration
- 2-year limited warranty with technical support
Specifications
| Specifications | |
|---|---|
| Manufacturer | StarTech.com |
| Manufacturer Part Number | UR9-HEADSET-ADAPTER |
| Brand Name | StarTech.com |
| Product Name | RJ-9/USB-C Phone Cable |
| Packaged Quantity | 1 |
| Product Type | Phone Cable |
| Technical Information | |
| Cable Type | RJ-9/USB-C |
| Cable Length | 5.9 ft (1.80 m) |
| Connector Type on First End | USB 2.0 Type C - Male |
| Connector Gender on First End | Male |
| Connector on First End Details | 1 x 24-pin USB 2.0 Type C - Male |
| Connector Type on Second End | RJ-9 Phone - Male |
| Connector Gender on Second End | Male |
| Connector on Second End Details | 1 x RJ-9 Phone - Male |
| Device Supported | Phone,Handset,Headset,Wireless Headset,Desktop Computer,Notebook,Telephone,Mobile Device,PC,MAC,Smartphone,Amplifier,VoIP Device,Workstation |
| Data Transfer Rate | 480 Mbit/s |
| Features | Plug & Play,Flexible |
| Physical Characteristics | |
| Color Family | Black |
| Product Color | Black |
| Weight (Approximate) | 1.80 oz (51.03 g) |
| Miscellaneous | |
| Application/Usage | Business,Office |
| Compatibility | Sennheiser/EPOS UI760 Headset Amplifier Plantronics/Poly Vista M22 Phone Amplifier |
| Environmental Compliance | Waste Electrical and Electronic Equipment Directive (WEEE) |
| Warranty | |
| Limited Warranty | 2 Year |
FAQ
What devices can I connect using this USB-C to RJ9 adapter?
This adapter connects RJ9-equipped office phone handsets, wired headsets, wireless headset amplifiers, and similar telephony equipment to devices with USB-C ports. Compatible endpoints include laptops, desktop computers, tablets, smartphones, and workstations running various operating systems.
Does this adapter work with specific headset amplifier models?
Yes, the adapter is specifically compatible with the Sennheiser/EPOS UI760 Headset Amplifier and Plantronics/Poly Vista M22 Phone Amplifier. These compatibility details ensure reliable performance when connecting professional wireless headset systems to modern USB-C devices.
What audio quality does this adapter provide for VoIP calls?
The adapter features a 32-bit audio processor with a sampling rate range of 8 to 96kHz, delivering clear mono audio optimized for voice communication. This ensures reliable call quality for VoIP applications, video conferences, and other business communication scenarios.
How long is the cable, and what color is the adapter?
The adapter cable measures 5.9 feet (1.80 meters) in length, providing sufficient reach for flexible setup options. The adapter features a black finish that complements professional office equipment and environments.
What warranty and support does StarTech.com provide for this adapter?
StarTech.com backs this adapter with a 2-year limited warranty. Additionally, the product includes access to free lifetime technical assistance with 24/5 multi-lingual support, reflecting its design for IT professional use.
How many SIP lines or accounts does this phone support?
Communication products are best understood through their line support, connectivity profile, and deployment fit. Those details help buyers confirm desk-phone or conference-room suitability before rollout.
What network or Ethernet connectivity is listed?
Communication products are best understood through their line support, connectivity profile, and deployment fit. Those details help buyers confirm desk-phone or conference-room suitability before rollout.
What audio or speakerphone features are mentioned?
Communication products are best understood through their line support, connectivity profile, and deployment fit. Those details help buyers confirm desk-phone or conference-room suitability before rollout.
| Qty | Price | Available |
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