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Description
Williams AV DL207 SYS D Digi-Loop Medium Area, Dual Channel Hearing Loop Dante SystemThe DL207 SYS D hearing loop system maximizes modern amplifier technology. Its network control capability provides seamless, remote system set up, operation, and monitoring of the induction loop system via a laptop or tablet. DSP audio processing offers flexible, powerful software control of mixing, equalization, compression, and more. Powerful Class D pulse width amplifier maximizes the efficiency of the unit. The Dante input provides integration
The DL207 SYS D hearing loop system maximizes modern amplifier technology. Its network-control capability provides seamless, remote system set-up, operation, and monitoring of the induction loop system via a laptop or tablet. DSP audio processing offers flexible, powerful software control of mixing, equalization, compression, and more. Powerful Class D pulse-width amplifier maximizes the efficiency of the unit. The Dante™ input provides integration with existing Dante™ devices and remote network management.
The assistive listening system’s design offers a dual 9.5 A rms loop output for dual loop or phased array configuration. A 70-100 V input connects to a distributed speaker/paging system, ensuring announcements are heard by hearing aid users.
Meet IEC 60118-4 standards on system performance when integrated into a correctly designed and installed system. The DL207 SYS D is also tested to IEC Specifications 62489-1 Benchmark Standards
Specifications
DL207 NET
| GENERAL | |
| Dimensions | 1 RU Rackmount, 19” W x 1.75” H x 10” D. Chassis is 17” W. |
| Weight | DL107: 9.2 lbs (4.2 kg) DL207: 9.2 lbs (4.2 kg) |
| Color | Case: Black, white and blue legends on front, white legends on back. LCD: Backlit Blue. |
| Fan cooling | Variable Speed, Temperature Controlled |
| Power supply | Internal, Universal 100-240 VAC, 50/60 Hz, 200 Watt. Fuse: 5 x 20 mm, 5 A, 250 V. AC power plug is IEC 320-C14. |
| Heat output @ 120 VAC | DL107 : Sleep State: 63 BTU/hr; Idle State: 71 BTU/hr; Driving one loop @ 9.5 A: 339 BTU/hr |
| DL207: Sleep State: 63 BTU/hr; Idle State: 84 BTU/hr; Driving two loops @ 9.5 A each: 638 BTU/hr | |
| Ethernet | (1x) RJ-45; 10-100 MBps. |
| USB | (1x) standard-B. USB 1.1, 2.0 or 3.0 supported. |
| Environment | 0-35° C ( 32-95° F), 0-90% relative humidity, |
| Coverage area* | DL207 (dual output amplifier): 30,000 sq. ft. (2,786 sq. m.) (Perimeter Loops, 3:1 aspect ratio, both outputs driven) 18,000 sq. ft. (1,672 sq. m.) (Perimeter Loops, 1:1 aspect ratio, both outputs driven) |
| DL107 (single output amplifier): 15,000 sq. ft. (1,393 sq. m.) (Perimeter Loop, 3:1 aspect ratio) 9,000sq. ft. (836 sq. m.) (Perimeter Loop, 1:1 aspect ratio) | |
| INPUTS | |
| Dante input | On “D” models only. (1x) RJ-45;100 Mbps. Minimum latency: 2 ms. Audio sample rates supported: 44.1, 48 kHz. Resolution: 24 bits. |
| Line inputs | (1x) 3-position terminal block, 10 kΩ input impedance. Configurable/accepts -10 dBV, -4 dBu, +4 dBu, +8 dBu, balanced or unbalanced. Level adjustable 0 to -96 dB. |
| Mic/Line inputs | (1x) XLR 3-pin jack. Input impedance: 1.5 kΩ Mic, 10 kΩ Line. Configurable/Accepts: Mic, Line -10 dBV, Line +4 dBu, or Line +8 dBu, balanced or unbalanced. Phantom supply (24V). |
| 70-100 V input | (1x) 2-position terminal block; high/speaker-level input (accepts 25 V, 70 V or 100 V) from distributed audio/paging systems. |
| OUTPUTS | |
| Line outputs | (1x) 3-position terminal block; loop-through of Mic/Line Input 1 [&] Line Input 2, +4 dBu, Balanced or Unbalanced. The line outputs mirror the audio of the loop output. |
| Loop output(s) | (1x) 2-position terminal block per output |
| Audio output delay | Adjustable from 0 to 165 msec |
| Headphone output | (1x) 1/4” stereo headphone jack, on front of unit. Monitored input or output selectable in menu. |
| Loop fault relay | (1x) 3-position terminal block providing NC, NO and Common. Contact rating: 2.0 A @ 30 VDC. |
| Loop output drive voltage | 16.1 Vrms (22.8 Vpk) continuous |
| Rated loop output current* | 9.5 Arms (13.4 Apk) per output |
| Loop resistance range | 0.5 Ω to 3.0 Ω (DC) |
| AUDIO | |
| Rated load* | 0.5 Ω DC with 135 µH inductance |
| Frequency response | 45 Hz to 9.0 kHz ± 2 dB (1 kHz ref.) |
| Rated loop THD* | [lt]1 % at rated output current (1 kHz sine wave). |
| OTHER | |
| Front controls | Front LCD display menu access/adjustment via control button/dial. |
| Adjustable settings | Input mixing, parametric equalization, compression, metal loss compensation, high and low-pass filters, AGC and audio delay, output levels. See User Manual for adjustment range(s). |
| Internal calibration tools | Test tone generator with pink noise, loop current adjustment/matching. See User Manual for details. |
| Other features | Save/load configuration, loop test, priority input selection with adjustable threshold, loop fault relay, open/short and thermal protection. See User Manual for details. |
| Network control [&] firmware | Function control and calibration by DigiLoop PC App via ethernet (RJ-45). PC App requires Windows 7 or higher. Firmware updates through USB only. |
| Warranty | 2-year warranty against component failure and manufacturing defects. See Full Warranty statement on the website for details. |
| Approvals | CE, UL, ULC, FCC, Industry Canada, RoHS, WEEE, CB scheme, RCM |
| Standards compliance | This product is designed to meet the IEC-60118-4 standard when correctly designed, installed and commissioned. Test Specifications provided to the IEC 62489-1 standard. |
EAR 013
| Plug | 3.5 mm mono |
| Cord length | 39 inches |
| Impedance | 32 Ohms |
| Frequency Range | 20 - 20kHz |
| Max input power | 5mV |
| Sensitivity | 128dB @ 1kHz |
| Driver size | 13 mm |
| Weight | 9g |
| Replacement earpad | EAR 015 |
FWT 001
| Description | Cloth-based warning tape, 2 in. Width, 165 ft Length per roll. |
| Dimensions | 6" Dia x 2" W x 165' L Roll |
| Weight | 1.28lbs |
| Color | White cloth. Williams Sound logo, T-Coil Logo, and Warning Text. |
| Warning Text | Warning: Do not cut or disturb - Hearing assistance induction loopwire |
| Used with | PLW F300, PLW F500 |
PLR BP1
| Dimensions: | 4.1"H x 2.85"W x 1.38"D (104 mm H x 72 mm W x 35 mm D). |
| Weight: | 4.6 oz (130 g) with batteries, 2.6 oz (73 g) without batteries. |
| Color/Material: | Black ABS/polycarbonate molded plastic case. |
| Battery Type: | (2) AA (1.5VDC) Alkaline or NiMH (rechargeable). |
| Battery Life: | Up to 200 hours with Alkaline batteries. |
| LED Indicator: | Green LED indicates power on, flashes when batteries are low. |
| Headphone Jack: | 3.5mm stereo TRS jack works with mono or stereo headphones. |
| Volume control: | External switched thumb wheel controls power on/off and volume level. |
| Tone control: | Rotary control inside battery compartment (1kHz reference at 400mA/m input with Tone at mid position) |
| Induction Coil: | Maximum reception: receiver oriented vertically |
| Power Output: | 35mW (max) into 33 ohms mono impedance |
| THD: | [lt]2% |
| Frequency Response: | 300Hz to 10KHz, -6dB |
PLW F500
| Length | 500 ft (152.4 m) |
| Width | OD: 22 mm (with insulation) ID: 19 mm (bare copper) |
| Thickness | OD: 0.17 mm (with insulation) ID: 0.1 mm (bare copper) |
| Cross Sectional Area (Bare Copper) | 1.9mm2 |
| Spool Dimensions | 8-1/8” W x ¾” H (20.6 cm W x 1.9 cm H) |
| Spool Weight | 6.5 lbs (2.9 kg) |
| Color/Material | Copper with Mylar (polyester) encapsulation |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- 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
4.1 ★★★★★
Based on 17 reviews
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Product Reviews
★★★★★ 5
Good buy
Color: Navy Blue, Size: Body（20"X 54"）
Nice and soft , well packaged and looks good. Kinda pillowcase you find in a luxury hotel
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Reviewed in the United States on May 1, 2026
★★★★★ 5
Silky and Soothing
Color: Cream, Size: 2 Pack Queen（20"X 30"）
I thought I was getting 1 of the queen sized but I got 2. I got these for my Pomeranian's fuzzy pillow. He's always hot and these are very cooling and very good quality. He loves them and are very comfortable for him. They totally transformed his shaggy old pillow. I used the larger body pillow covers to replace the covers I had. They matched my bedspread perfectly. I use 2 body pillows along the exterior wall in my bedroom where there is cold coming through the floor in the winter. I'm sure I will enjoy them in the summer when it's hot too!
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Reviewed in the United States on January 10, 2026
★★★★★ 5
super smooth, silky, stays comfortable feeling. DO NOT DRY or wash with heat
Color: Blue, Size: Queen (U.S. Standard), Set name: Stretchy and Soft, Color: Blue, Size: Queen (U.S. Standard), Set name: Stretchy and Soft
I'm impressed. I have used cooling pillow cases before, and found them effective, but the cooling material have always been on just one side. These are 100% cooling material. The material is super smooth and silky feeling. It is great feeling against hair and skin (even better than my old polyester satin I was using before cooling pillowcases). The material is cool, and does not seem to get hot hot. The pillow cases are super stretchy with a small hidden zipper. They grab onto the pillow and dont loosen up. Makes my pillow look neat and clean, not sloppy from loose material. I can even have two pillows stacked and somehow despite being a smooth material, the pillows dont just slide off each other.
The cooling aspect works by not trapping heat, not allowing heat to get to the pillow and hold it there. So yeh, the pillow case will feel warm eventually but if you have a fan, or AC, or flip the pillow, then it is is truly cool. Otherwise in my experience when I use a pillow without this, the pillow just gets hot, stays hot, and even with flipping it feels hot.. because the pillow itself has trapped the heat for remainder of night. Yuck.
One thing to know and this is very important-- as I learned the hard way-- DO NOT DRY IN DRYER. DO NOT WASH IN HOT WATER. Heat will destroy the material ability to feel and stay cool. Do you want a regular heat trapping pillow case? Then go ahead and dry these in the dryer a few times and you will have a regular pillow case. HOw do I know? I bought these to replace another set (different brand, same idea, same instructions that I failed to remember). I always dried them in the dryer, and one night after having gloriously cool pillows, I noticed that my pillow was HOT night after night. It was then when looking for another set of pillow cases that I learned that they cant be exposed to heat like that. SO PLEASE, just AIR DRY.
And so, after I got these and put them on my pillows, I had a much better nights rest. I remember thinking that I wasnt waking to rearrange my pillows. They were just comfortable all night long. Sure, I'd love an even colder pillow, but our room is on the warm side. But at least I wasnt noting the hot hot pillows anymore.
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Reviewed in the United States on June 6, 2021
★★★★★ 5
A must try for hot sleepers!
Color: Blue, Size: Queen (U.S. Standard), Set name: Silky, Color: Blue, Size: Queen (U.S. Standard), Set name: Silky
If you are a hot sleeper these pillowcases are for you! Not only are they silky and beautiful, but they are cool to the touch!The Arc-Chill fabric absorbs heat and instantly cools your skin! If you are prone to insomnia, night sweats, give these a try! They come in a 2 pack and have a few different colors to try out. Highly recommend.
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Reviewed in the United States on May 27, 2026
★★★★★ 5
Freezing !
Color: Gray, Size: Queen (U.S. Standard), Set name: Stretchy and Soft
### Product Review: Avolare 2 Pack Cooling Pillow Cases
#### Overview
The Avolare 2 Pack Cooling Pillow Cases are designed to provide a cooler and more comfortable sleeping experience, especially for hot sleepers. Made with Arc-Chill fabric, these pillowcases promise to offer a cooling effect, protect hair and skin, and add a touch of luxury with their soft and silky texture. The pillowcases come in a standard gray color, suitable for standard and queen-size pillows.
#### Material and Design
**Rating: ★★★★★**
The Avolare Cooling Pillow Cases are crafted from Arc-Chill fabric, known for its high Q-max value (>0.5), indicating excellent cooling properties. The material feels incredibly soft and silky to the touch, providing a luxurious feel that enhances sleep quality. The gray color is neutral and versatile, fitting seamlessly with various bedding styles.
The design includes a hidden zipper, ensuring that the pillowcase stays securely on the pillow while maintaining a smooth and sleek appearance. The zipper is discreet and doesn’t interfere with comfort, which is a thoughtful addition to the overall design.
#### Cooling Effect
**Rating: ★★★★★**
One of the standout features of these pillowcases is their cooling effect. The Arc-Chill fabric effectively wicks away heat and moisture, making them ideal for hot sleepers or those living in warmer climates. Users have reported a noticeable difference in temperature, which contributes to a more restful and comfortable night’s sleep. This cooling property is particularly beneficial during the summer months or for individuals who tend to overheat while sleeping.
#### Hair and Skin Benefits
**Rating: ★★★★☆**
In addition to their cooling properties, the Avolare pillowcases are also beneficial for hair and skin. The smooth and silky texture reduces friction, helping to prevent hair breakage and skin irritation. This can be particularly advantageous for individuals with sensitive skin or those prone to hair damage. While the pillowcases are not a cure-all for skin and hair issues, they do contribute positively by creating a gentler surface.
#### Durability and Care
**Rating: ★★★★☆**
The Avolare Cooling Pillow Cases are easy to care for, maintaining their cooling properties and softness even after multiple washes. They are machine washable, which adds to their convenience. However, it is recommended to follow the care instructions carefully to ensure the longevity of the cooling effect and fabric quality.
#### Versatility
**Rating: ★★★★☆**
These pillowcases are designed to fit both standard and queen-size pillows, adding to their versatility. They are perfect for use in any bedroom setting, from master bedrooms to guest rooms, and can be paired with various pillow types and fillings.
#### Pros and Cons
**Pros:**
- Excellent cooling properties ideal for hot sleepers.
- Soft and silky texture is gentle on hair and skin.
- Hidden zipper design for a secure fit.
- Machine washable and easy to care for.
- Versatile fit for standard and queen-size pillows.
**Cons:**
- Cooling effect may diminish slightly with frequent washing.
- Limited color options (only available in gray).
#### Final Verdict
**Overall Rating: ★★★★☆**
The Avolare 2 Pack Cooling Pillow Cases are an excellent choice for anyone looking to enhance their sleeping experience, particularly hot sleepers. The cooling properties of the Arc-Chill fabric, combined with the soft and silky texture, provide a comfortable and luxurious feel. The hidden zipper design adds practicality without sacrificing aesthetics.
While there are minor drawbacks, such as potential diminishing of the cooling effect with frequent washing and limited color options, the overall benefits make these pillowcases a worthwhile investment. If you’re seeking to improve your sleep quality and enjoy a cooler, more comfortable night’s rest, the Avolare Cooling Pillow Cases are definitely worth considering.
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Reviewed in the United States on June 1, 2024