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Description
Audio-Technica ESW-T4107/925ML21 ESW Desk Stand Transmitter w/ES925 Gooseneck Microline Microphone - 21"The compact ESW T4107 925ML21 Desk Stand transmitter with microphone is an optional component for use with Audio Technica's Engineered Sound Wireless systems (sold separately). The transmitter comes with a 21" MicroLine ES925 gooseneck microphone that delivers clear, present dialog capture with the highest available level of surrounding noise rejection. There's a two state LED mute status indicator light on the top panel with seven selectable custom
The compact ESW-T4107-925ML21 Desk Stand transmitter with microphone is an optional component for use with Audio-Technica's Engineered Sound Wireless systems (sold separately). The transmitter comes with a 21" MicroLine ES925 gooseneck microphone that delivers clear, present dialog capture with the highest available level of surrounding noise rejection. There's a two-state LED mute status indicator light on the top panel with seven selectable custom colors for at-a-glance verification. The transmitter supports use while charging via USB for always-on availability. ESW systems (sold separately) employ DECT automatic frequency management technology, so there's no channel programming necessary. Remove the transmitter from the charger (sold separately), and it's ready to deliver interference-free wireless audio performance.
Audio-Technica ESW-T4107/925ML21 Includes:
- AT8138a foam windscreen
- M44 mic case
Audio-Technica ESW-T4107/925ML21 Features:
- 2-state RGB LED mute status indicator (7 selectable colors or off)
- Microphone reflects mute status color selection
- Transmitter can be used while charging via USB-C type connection
- Selectable mute operation (toggle, touch-to-talk, or touch-to-mute)
- Transmitter can be set to start either muted or unmuted
- Interchangeable ESW system microphone
- MicroLine pickup pattern for the highest degree of isolation
Audio-Technica ESW-T4107/925ML21 Specifications:
- ESW-4107
- Modulation Mode
- A-field: π / 2-BPSK
- B-field: π / 4-QPSK
- Microphone: ES Series modular gooseneck microphone-compatible
- Battery: Lithium-ion battery LI-220 (included)
- Battery Life: 17 hours, This varies depending on usage conditions.
- Charging Time (USB): Approx. 2 hours 40 minutes, This varies depending on usage conditions.
- USB Charging Connector: USB Type-C (USB 3.0)
- Operating Temperature Range: - 5◦ C to +45◦ C (23◦ F to 113◦ F)
- Dimensions: 90.5 mm (3.6") x 129.4 mm (5.1") x 47.4 mm (1.9") (W x D x H)
- Weight (with battery) 535 g (19 oz)
- Modulation Mode
- ES925
- Element: Fixed-charge back plate, permanently polarized condenser
- Frequency Response: 30-20,000 Hz
- Low-Frequency Roll Off: 80 Hz, 18 dB/octave
- Open Circuit Sensitivity: -40 dB (10.0 mV) re 1V at 1 Pa
- Maximum Input Sound Level: 140 dB SPL
- Dynamic Range: 112 dB
- Signal-to-Noise Ratio: 66 dB
- Phantom Power Requirements: 22-52V DC
- Switches
- Activation: on/off; LED Color: mic on, mic off;
- Switch function: touch on/off, momentary on, momentary off;
- Control: local, remote, LED remote; Flat, roll-off
- Current Consumption: 8 mA
- Weight: ES925ML21/DS5: 713 g (25.2 oz)
- Output Connector: TB5M-type
- Pickup Pattern: ESE-MLa MicroLine® (90°)
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
4.4 ★★★★★
Based on 14 reviews
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Product Reviews
★★★★★ 5
Best Dog (Puppy) Toy I've Found
Color: Orange
This is a fun toy for me as well as my puppies! When it arrived I opened it right away. I was anxious to get my Pup's playing with something that wouldn't require me to play with them. I put it down and it was charged and ready to go. I had no idea what to expect. All three of my Pups were interested in it. (Which is unusual because two of them are Shih Tzu's and don't pay a lot of attention to most toys.) It's safe and really cute to watch. My youngest pup had been playing all day and was tired when I finally took a photo. I can't tell if the video uploaded correctly but if it did you can see how much fun it was. It is very durable and can actually turn itself over and go across the floor. It charges fast and will last a day and a half or two depending how much it's been used. It does go to sleep if no one is playing with it. They furnish you with an extra top and a fresh "rope." I really appreciate how much customer service is done with this item. I will watch for more of their items to purchase.
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Reviewed in the United States on January 27, 2026
★★★★★ 5
Buy 2 at a time for a fun experience
Color: Orange, Color: Orange
What’s better than 1 toy? Answer: 2 toys! I love using two at a time. More stimulation and fun! We use these to get all the energy out before nap time. They keep him occupied and running in two different directions. The rope part of the toy is the perfect size for him to grab onto. It came with a replacement for a wheel and rope and haven’t had to replace it yet. Toy has held up with daily play and still works perfectly.
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Reviewed in the United States on June 11, 2026
★★★★★ 5
How many dog toys have you bought that just laid on the floor unused?
Color: Orange
New husky has more energy than an entire pre-school - even being walked more than three miles a day wasn’t sufficient to drain her excess energy.
I threw the dice on this - and it’s AWESOME. Comes with an extra rope and an extra side piece. Rechargeable with a USB-C cable. When you turn it on, the blue LEDs flash, the entire device buzzes, bounces, and races back and forth across the floor. After a couple of days of uncertainty, my new husky LOVES this. She chases it around, grabs it by the attached rope and carries it from room to room.
After a short bit of activity, the toy goes into ‘sleep’ mode, until either the dog touches it again or a timer has elapsed, and then it fires up and starts buzzing and racing around the floor again.
From a full charge, the toy will keep your dog entertained all day. Bright orange color makes it much easier to find when it’s rolled behind the toilet (as it did this afternoon). Sturdy. Highly resistant to chew damage. If this one wears out or breaks, I’ll absolutely get another one.
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Reviewed in the United States on April 20, 2026
★★★★★ 4
Puppy interactive toy
Color: Orange, Color: Orange
It’s a great toy as it keeps my 5 month old puppy very entertained! It is pretty hardy and made of good material as she tries to throw it around and chew it. She does swing it around and the hard part will hit her. She doesn’t seem bothered by it tho lol good size and minimum noise
When I first introduced her to it she was a little scared but now she gets excited to play with it once it finishes charging.
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Reviewed in the United States on May 2, 2026
★★★★★ 5
Cool toy. Fun for all
Color: Blue
A cool toy. entertainment for the dogs but more so for the dog parents to watch the dogs reaction. Comes with an additional rope just in case, which I loved. Only side note I would say is that the fast mood could be a little faster. My Golden retriever figured out the speed in less than 24 hours and now picks up the toy to try to chew it up, instead of chasing. With him attempting to chew on the toy in the small time I give him, there are no teeth marks yet…this toy appears to be durable. We play in short increments but enjoy the toy.
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Reviewed in the United States on May 29, 2026