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4MS Listen Up
4MS Listen Up
4MS Listen Up
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4MS Listen Up

Marsoni M251S
Sale price$109.00
Pay 4 payments of $27.25 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
4MS Listen UpThe Listen Up from 4ms is a small passive expander for the Listen modulesproviding stereo 1 4" (6. 35mm) jack inputs and outputs. It connects to one or two Listen modules and or WAV Recorder module with the included 3 pin cables. There are four 1 4" jacks arranged in left right pairs. The left jack of each pair can be used as a TRS stereo jack if the right jack is unpatched. The Listen Up is also available as a kit. Product Specs Item Number: 12896
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  • Standard: 3-7 business days
  • Fast: 2-3 business days
  • Express: 1-2 business days

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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
4.2 ★★★★★
Based on 308 reviews
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Product Reviews
G
Verified Purchase
Gebo
West Palm Beach, US
★★★★★ 5
Best chucker available
Style: Classic + 2pk Ball, Size: 26in
Best chucker out there, saved my arm throwing the ball, get great distance with this, and it quality made, should last a long time.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 23, 2026
W
Verified Purchase
William A Fischer III DDS
Battle Creek, US
★★★★★ 5
Great for our Lab!
Style: Classic + 2pk Ball, Size: 26in
Our Lab loves playing fetch and this is a great product to assist doing that. Great for open field, football-soccer fields, just any large open space. Another great use is scooping the ball up with ease.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 6, 2026
G
Verified Purchase
George E. Corwin
West Palm Beach, US
★★★★★ 5
Impressive!
Style: Classic + 2pk Ball, Size: 26in
Gotta say, it works like a charm. My Hangin Tree Cow Dog loves it. High quality!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 18, 2026
T
Verified Purchase
Taho
Bozeman, US
★★★★★ 5
Arm Saver
Style: Classic + 2pk Ball, Size: 26in
I loved this product as much as my dog! It saved my arm and the ball flew further than I could ever throw it myself. The rubber balls are very durable and are holding up very well for the ball chewer.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 30, 2026
M
Verified Purchase
Michael Warren
Carnegie, US
★★★★★ 5
For medium sized dogs over 25 lb
Style: Classic + 2pk Ball, Size: 26in
The product is great, but for my little dog, it won't work. The balls that come with it are too large for her. I will give this out for free if the dog park for people who have medium sized dogs. Over 25 lb
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 26, 2026

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