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Description
Williams AV DL210 SYS 1 2.0 Digi-Loop Large Area, Dual Channel Hearing Loop SystemThe DL210 SYS 1 2. 0 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. This assistive listening systems
The DL210 SYS 1 2.0 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.
This assistive listening system’s design offers a dual 12 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 DL210 SYS 1 2.0 is also tested to IEC Specifications 62489-1 Benchmark Standards.
Specifications
DL210 NET 2.0
| GENERAL | |
| Dimensions | 2 RU Rackmount, 19” W x 3.5” H x 12” D. Chassis is 17” W. |
| Weight | 14.3 lbs (6.5 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, 250 Watt. Fuse: 5 x 20 mm, 5 A, 250 V. AC power plug is IEC 320-C14. |
| Heat output @ 120 VAC | Sleep state: 100 BTU/hr; Idle state: 146 BTU/hr; Driving two loops @ 12 A each: 1,040 BTU/hr |
| Ethernet | (1x) RJ-45; 10-100 MBps. |
| USB | (1x) standard-B. USB 1.1, 2.0 or 3.0 supported. |
| RS-232/Loop fault relay | (1x) DB-9 jack. RS-232: Pin 2=Tx, Pin 3=Rx, Pin 5=gnd. Loop fault relay: Pin 1=NC, Pin 4=Common, Pin 6=NO. Relay contact rating: 2.0 A @ 30 VDC. |
| Environment | 0-35° C ( 32-95° F), 0-90% relative humdity. |
| Coverage area* | 31,400 sq. ft. (2,917 sq. m.) (Perimeter Loop, 1:1 aspect ratio, both outputs driven) 51,660 sq. ft. (4,800 sq. m.) (Perimeter Loop, 3:1 aspect ratio, both outputs driven) |
| INPUTS | |
| Dante input | No. Dante input available on DL210 NET D 2.0 model only. |
| Mic/Line inputs | (2x) 3-position terminal block, 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 (48V). |
| 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 | Integrated into RS-232 DB-9 jack. Pin 1=NC, Pin 4=Common and Pin 6=NO. Contact rating: 2.0 A @ 30 VDC. |
| Loop output drive voltage | 33.3 Vrms (47.1 Vpk) continuous |
| Rated loop output current* | 12 Arms(17 Apk) per output |
| Loop resistance range | 0.5 Ω to 3.0 Ω (DC) |
| Speaker output | Integrated into Loop Output A terminal block (switchable in menu). 225 Watts x 1 channel @ 4Ω, 125 Watts x 1 channel @ 8Ω, (Class D). Frequency response = 20 Hz-20 kHz, THD=0.07%. |
| AUDIO | |
| Rated load* | 0.5 Ω DC with 135 µH inductance |
| Loop 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 years |
| 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 022
| Style | Around-ear speaker |
| Plug | 3.5mm mono |
| Cord | 39" |
| Driver Size | 23 mm |
| Nominal Impedance | 32Ω |
| Freq. Response | 20 - 20kHz |
| Weight | 15g |
| Max Power Input | 30 mW |
| Sensitivity | 118 dB @ 1kHz |
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 |
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
4.7 ★★★★★
Based on 10 reviews
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Product Reviews
★★★★★ 5
Quiet, powerful, and very easy to use
Color: Black, Color: Black
Very convenient and stylish milk frother. I use it every day for coffee and matcha — the foam becomes thick in just a few seconds. It works quietly, holds a charge well, and the wireless design with USB charging is very convenient. The handle is lightweight and comfortable to hold. Great value for making café-style drinks at home.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 8, 2026
★★★★★ 5
Great little blender very high power
Color: Black
Wow this charger has get up and go, I was actually quite shocked at how long the charge lasts It's very reliable I love that it has the lid for storage and I use this for pretty much two things One is whipped cream and the other is delgona coffee, that coffee whips up so thick and creamy and if I'm not careful when I use this to make whipped cream I end up with butter so very high power and easy to clean just make sure to clean it right away it's also very easy to use
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 29, 2026
★★★★★ 5
Powerful and good battery life
Color: Black
I’ve been really happy with this rechargeable milk frother. It works great for making cappuccinos, lattes, and even matcha and hot chocolate. The dual spring whisk creates a nice, creamy foam very quickly, much better than I expected for such a compact device.
I also like that it’s rechargeable, so I don’t have to constantly buy or replace batteries. The battery life is solid and it holds a charge well. It’s lightweight, easy to handle, and doesn’t take up much space in the kitchen, which makes it perfect for daily use.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 14, 2026
★★★★★ 5
Powerful
Color: Black, Color: Black
I love it because it doesn’t use batteries — you just recharge it and that’s it. Plus, it’s very powerful and works really well. Honestly, I didn’t expect it to be this good. Great option and excellent value for the price.
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Reviewed in the United States on May 28, 2026
★★★★★ 4
Good product
Color: Black
Good product I like that it’s rechargeable. The only thing I don’t like is that there’s no power button. You have to press it while in use.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 6, 2026
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