SKU: 12372508518

Williams AV DL107 NET Induction Loop Amplifier with Network Control

Sale price$1588.94 Regular price$1765.49
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Description

Williams AV DL107 NET Induction Loop Amplifier with Network ControlThe DL107 NET hearing loop amplifier 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 DL107 NET hearing loop amplifier 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 single 9.5 A rms loop output for perimeter loop or single array configuration. A 70-100 V input provides a connection 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 DL107 NET is also tested to IEC Specifications 62489-1 Benchmark Standards.

Specifications

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 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.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. 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
SKU: 12372508518

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4.6 ★★★★★
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Dawn Clegg
Port Orchard, US
★★★★★ 4
Well loved
Color: Blue, Color: Blue
We just got this sweet girl from the shelter a few days ago. She's had this toy for 2 days and already chomped off one of the legs. She does have other toys so she doesn't play with this one all the time but she does like it a lot! It's very hard and durable on the ends. But as you can see, it's not indestructible. She carries this little guy around the house like they're BFFs. It's super adorable.
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Reviewed in the United States on May 21, 2026
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Betty and Bill H.
Whiting, US
★★★★★ 3
Dog likes it, but is very hard material around smaller dogs when he is playing and running
Color: Blue
My 22lb dog loves this chew. We have owned it just for one day. He immediately loved it and he races through the house holding it in his mouth like a grand prize. I have concerns to the hardness of the ends of it, the material is very hard, and the tail comes to an end shape that could hurt other pets in a multidog home if it hit or stuck in them. I have two smaller chihuahua dogs, one who has lost an eye so this is something to be careful about with other dogs running with this toy. This may not affect a one dog home. Best to observe the dog while playing with it around others.
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Reviewed in the United States on May 6, 2026
V
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Veronica Mariano
Bozeman, US
★★★★★ 5
Strong and holds up to aggressive chewing
Color: Blue, Color: Blue
This was a fast favorite for our extremely aggressive chewer ('indestructible' toys are typically destroyed within hours)... this has survived about a week and still going strong.
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Reviewed in the United States on May 27, 2026
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Judy P.
Battle Creek, US
★★★★★ 4
My dog is a very aggressive chewer.
Color: Blue
My dog is an aggressive chewer and this lasted about 3 weeks before he started to get into the plastic and I had to throw away. It lasted longer than other chew toys so it was good. However the tail makes it easier for him to chew off into pieces. He gets nervous and needs to chew on something. I find the hard cheese sticks a better option for his nervousness.
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Reviewed in the United States on May 25, 2026
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Collin M.
Pawtucket, US
★★★★★ 5
Fun Dog Toy, Relatively Durable, Looks Great, and Squeaker Isn't Annoying!
Color: Deep Green, Size: 10 IN
This is a fun and well-made dog toy that’s held up better than expected, especially considering my dog usually makes quick work of stuffed toys. He’s not the most aggressive chewer, but he’s definitely skilled at tearing things up over time, and this one is still going strong so far. The plush armadillo design is adorable and comes in a variety of color options, which is a nice bonus. It has your standard fluff type filling, and I really appreciate that the squeaker has more of that low grunting sound (like a pig), rather than a sharp, high-pitched one. It’s much less annoying to listen to during playtime. The 10" size was just right for my 45 lb dog, offering a good size for tugging and carrying around. Comfortable to hold, seemingly durable so far, and cute design. Seems to be a winner, would recommend!
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Reviewed in the United States on June 28, 2025

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