SKU: 85408469479

Califone CLS Wireless Transmitter Yellow

Sale price$74.03 Regular price$82.26
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Description

Califone CLS Wireless Transmitter YellowCalifone CLS Wireless Transmitter Yellow Enhance classroom listening and student engagement with the Califone CLS Wireless Transmitter Yellow. Engineered to pair seamlessly with Califone CLS721 wireless headphones, this high visibility transmitter enables flexible, cable free audio distribution for daily lessons, language labs, and inclusive education environments. The yellow code and shared frequency ensure reliable synchronization between the

Califone CLS Wireless Transmitter Yellow

Enhance classroom listening and student engagement with the Califone CLS Wireless Transmitter Yellow. Engineered to pair seamlessly with Califone CLS721 wireless headphones, this high-visibility transmitter enables flexible, cable-free audio distribution for daily lessons, language labs, and inclusive education environments. The yellow code and shared frequency ensure reliable synchronization between the transmitter and CLS721 receivers, so teachers can deliver the same lesson to every student without the clutter of wires. This compact, durable unit fits comfortably on a desk, in a charging cart, or within a media cabinet, making it an essential tool for modern classrooms that value mobility, accessibility, and streamlined tech management.

  • Seamless compatibility with CLS721 headphones. The Yellow Wireless Transmitter is coded to lock with the CLS721 family and shares a common frequency so teachers can deploy a ready-to-teach audio system in seconds. In practice, this means fewer pairing hassles, reduced risk of cross-talk, and a quick path from unboxing to active instruction. The result is a tidier classroom tech footprint, which translates into more space for students to move, collaborate, and participate in group activities. With color-coded components that align with the CLS family, substitutes or visiting instructors can set up the system quickly, maintaining instructional momentum and minimizing downtime between activities.
  • Reliable VHF/FM wireless transmission for classroom environments. Designed to deliver clear, low-latency audio from the teacher’s microphone or primary audio source to CLS721 headphones across typical classroom layouts, the transmitter supports flexible seating arrangements, centers, and small-group stations. Range performance is suited for standard classrooms, media rooms, and libraries, with predictable behavior in environments with common architectural challenges. By reducing reliance on cables, teachers can move freely while guiding discussions, checking for understanding, or facilitating active participation, ensuring every student can hear the lesson clearly regardless of where they sit.
  • Durable, color-coded yellow design for easy identification and safety. The bright yellow housing makes the unit easy to locate in carts, on shelves, or during supply check-ins, which is especially valuable for busy schools with multiple classrooms. Color coding helps maintain system integrity by quick visual confirmation that the transmitter is paired with CLS721 receivers sharing the same color code. The robust build resists daily classroom wear, while the compact form factor fits neatly on teacher desks or behind media cabinets. The visibility of the color also supports safer cable management and reduces the risk of accidental unplugging during class transitions, helping you maintain an organized, professional learning environment.
  • Teacher-friendly setup and seamless integration with existing Califone systems. This transmitter is designed to extend your current Califone investment, pairing effortlessly with CLS721 headphones and related components. Setup is simple: pair the transmitter once with the CLS721 devices, then add more receivers as needed to accommodate larger classes. The system supports flexible configurations—from one-to-many to group-focused listening—without complex reconfigurations. Its intuitive controls, straightforward power options, and reliable performance reduce troubleshooting time, giving teachers more bandwidth to focus on instruction, differentiation, and formative assessment. The result is a scalable solution that grows with your classroom needs while maintaining consistency with your existing Califone ecosystem.
  • Supports inclusive learning and diverse classroom needs. By delivering synchronized audio to multiple students, the transmitter supports a range of learning modalities, including instruction for English language learners, students with hearing differences, and those who benefit from visual or audio scaffolds. The simplified, cable-free design minimizes barriers to participation, encouraging more frequent student engagement during read-alouds, discussions, and station activities. In addition, the system promotes safe movement and active collaboration by eliminating tangled cords and adjusting to dynamic classroom layouts, enabling teachers to implement collaborative projects, centers, and peer-to-peer learning with greater ease and effectiveness.

Technical Details of Califone CLS Wireless Transmitter Yellow

  • Type: Wireless transmitter
  • Frequency band: VHF/FM (classroom-ready, shared with CLS721 headphones)
  • Color: Yellow
  • Compatibility: Califone CLS721 wireless headphones (shared color code)
  • Power source: See official specifications for power requirements; power options may vary by model
  • Setup note: Requires CLS721 headphones to function; pairing uses a shared yellow code for synchronized audio delivery

How to install Califone CLS Wireless Transmitter Yellow

  • 1. Verify you have CLS721 wireless headphones and that both devices share the same yellow code. Ensure both transmitter and headphones are powered off before connecting any cables.
  • 2. Connect the transmitter to your audio source using the appropriate cable recommended by your Califone system documentation. Common connections may include 3.5 mm stereo or RCA outputs, and you may need adapters provided with your kit. Confirm a secure, distortion-free connection before powering on.
  • 3. Place the transmitter in a stable location near the teacher’s desk or within a charging cart. If required, connect to a power source and switch on the device to enter pairing mode. Allow a few moments for the system to initialize and stabilize the link.
  • 4. Power on the CLS721 headphones and set them to the same frequency code as the transmitter. Test audio by playing a sample lesson or teacher microphone input, then adjust volume levels to ensure all students can clearly hear without distortion.
  • 5. Manage layout and spacing to minimize potential interference. Keep cables organized, away from heat sources and heavy traffic areas, and store the equipment in its designated space after class to preserve the color-code system and maintain readiness for the next session.

Frequently asked questions

  • Q: Do I need CLS721 headphones to use the transmitter?
    A: Yes. The transmitter is designed to work with Califone CLS721 wireless headphones and relies on the shared frequency code to deliver synchronized audio to students.
  • Q: What is the purpose of the yellow color on the transmitter?
    A: The bright yellow color helps staff quickly identify the transmitter in busy classrooms or carts, supports easy pairing with CLS721 receivers, and promotes organized cable management and safety during setup and transitions.
  • Q: Can this transmitter be used in rooms with multiple audio sources?
    A: The transmitter is intended to distribute audio from a single source to CLS721 headphones. If multiple sources are needed, additional transmitters and compatible receivers would be required in accordance with Califone’s system guidelines.
  • Q: Is internet connectivity required?
    A: No. The CLS wireless system operates independently of the school network and does not require internet access for basic operation or audio distribution, though it may depend on power availability and proper setup for optimal performance.
  • Q: Is the system suitable for elementary or high school settings?
    A: Yes. The Califone CLS Wireless Transmitter Yellow is designed for K-12 classrooms, including elementary, middle, and high school environments, and supports diverse instructional formats from direct instruction to collaborative learning.
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
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  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 85408469479

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4.1 ★★★★★
Based on 6 reviews
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Product Reviews
M
Verified Purchase
Matthew
Port Orchard, US
★★★★★ 5
A Powerhouse USB Hub That Handles Everything I Throw at It
Color: Gray
I’ve been using this 17‑Port 96W Powered USB 3.2 Hub for a few weeks now, and it has completely streamlined my workspace. With 10 USB‑A 3.2 ports, 2 USB‑C 3.2 ports, 3 QC 24W fast‑charging ports, and an SD/TF card reader, this hub truly replaces multiple adapters and dongles. The 10Gbps transfer speeds are legit — large files from my SSDs move quickly and consistently without random disconnects. The 96W power supply is a huge plus. Even with multiple external drives, peripherals, and a webcam connected, everything stays stable. No flickering, no dropouts, no “device not recognized” issues. The individual power switches are surprisingly useful too — I can turn off specific drives without unplugging anything. The build quality feels solid and premium. It doesn’t slide around, and it stays cool even under heavy load. The SD/TF card reader is fast and convenient for photo/video work. The QC fast‑charging ports are also great for topping up my phone or accessories, though they’re charging‑only (no data), which is clearly stated. If you’re someone who uses multiple devices — external HDDs, flash drives, cameras, microphones, card readers, etc. — this hub is a game changer. It’s perfect for PC setups, content creators, IT workstations, and anyone who needs serious connectivity. Overall, this is one of the most capable, stable, and well‑designed USB hubs I’ve used. Absolutely worth it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 4, 2026
J
Verified Purchase
Jimmy D. Howerton
Carnegie, US
★★★★★ 5
Need lots of connectivity + charging. EXCELLENT.
Color: Gray
Problems with my original USB hub required something better. This unit has allowed me to connect all my peripherals to my laptop and I haven't had any problems with the USB port reliability I was dealing with. I'm using two hubs in series and now everything is working perfectly.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 25, 2026
S
Verified Purchase
Stuart Nezin
Grantham, US
★★★★★ 5
Yes, I wish I'd bought this on Black Friday, but still no regrets
Color: Gray
If you use a lot of add-ons like I do you won't regret buying this hub. The number of connection PLUS high power charging ports works for me. Printer, scanner, mouse dongle, phone, tablet, external drive, flash key all connect with zero problems to my Win 11 laptop. Saves my laptop ports from wear and provides a central location for charging my stuff. Solid metal construction, touch switches for each port, even slots forSDd and micro sd cards makes great design and features. Had a decent usb 3 hub but this one SO much better, good value
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Reviewed in the United States on February 26, 2026
M
Verified Purchase
MMM
Massapequa, US
★★★★★ 5
well made, nicely built, fast and everything fits firmly
Color: Gray
Sleek and well made, heavier than my old one, as it seems better built in every way. I love the flush power buttons, they don't get accidentally pushed in because of the firmness of the buttons, not hard, just not overly easy like some cheaper hubs. The color is nice looking, the lights are subtle but easily identify each port and the main thing, it's fast. My old USB hub was decidedly slow and often under-powered. It did not always work with some demanding devices. But as soon as I plugged this in, all my devices were recognized and worked correctly. This was a great buy.
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Reviewed in the United States on August 1, 2025
O
Verified Purchase
Olivia
Omaha, US
★★★★★ 4
Had some questions and needed to test it, here's the verdict!
Color: Black
No pictures, but I wished to get this review out as soon as possible because I'm very happy with my purchase. My last USB hub from aother brand broke immediately as soon as I got it which is why I wanted to purchase this as an "upgrade" for the higher voltage and more port options. Firstly I really appreciate that they gave both a USB 3.0 to USB-C and a USB-C to USB-C cable for the power depending on what type of port you have on your computer. The extra cable is always appreciated. I had a bunch of questions stemming from other reviews so I tested them. When you press a button nearby any port, the light goes on. When you hold it, it goes off. When the light is on, it powered my external drive, and when I hold-pressed it off, the drive on my computer disappeared as it should when no power is going to it. I'm glad that works perfectly. Also, it takes 16 seconds to recognize my 8TB drive. It seems a tiny bit long, but not too long, I'm pretty patient. For the SD and Micro SD card slot, there is no on and off power buttons. But they DO work. This was important for me as it was one of the reasons I bought it. The quick charging also works as intended. Also, I wondered what size it was- it's 8.75in long, 2in width, and a measly 0.65in heightwise. Every cord included is slightly larger than 3ft so there should be no problems with connecting it, though maybe it's too many wires for some. One thing I was concerned about was that a reviewer said the ports were very tight, and they are. I thought I was gonna break the ports by connecting a USB, but thankfully it didn't break. I don't know how realiable that is over time, though I imagine because of the buttons, the idea is to connect them once and if you want to not use it, to simply press the button to turn them off. So I think I'll do that once I get all my USBs set into place. If it breaks any port in that process down the line, I'll update my review. And based on the manual, here are the speeds: USB 3.0 & USB C - Max 5GB/sec data speed, Max 5V/1.5A power SD and Micro SD Slots - Read 50-104MB/sec, Write 30-80MB/sec (Subject to memory card speed and computer USB ports) USB QC Ports - No speed or power given Total power supply: Output DC 12V/7.5A (Input AC 100V~240V / 50Hz~60Hz / 2A) The power supply is a big brick LOL. But I appreciate the power, thanks. It's very easy to use overall, I just plug something in, turn the light on, expect it to work and it does. Besides it taking great force to plug a USB in, everything else is exactly what I wanted. Glad I bought this. Edit, a month or two later: The USB ports all still are working, but I noticed some external drives don't have enough power to work, even with the 8V, so I'm docking a point. I should be able to plug at least one in with a few other things connected, but this makes it a little less functional for my usage.
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Reviewed in the United States on June 13, 2025

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