Yapalong 4000 (2-User) Complete Set

Yapalong 4000 Referee Communication System | (2-User) Complete Set

Clear, continuous crew communication—without the distraction of push-to-talk. The Yapalong 4000 (2-User) Complete Set is a full-duplex referee communication system designed for soccer and football officials who want natural, real-time talk throughout the match. It delivers superior sound quality with a safety-minded feature that automatically reduces whistle volume to safer levels (and allows user adjustment), plus encrypted transmission to help keep your crew channel secure. With 8+ hours of battery life and up to a 300-meter line-of-sight range, the Yapalong 4000 is a dependable choice for two-person crews—and it’s expandable up to 8 users as your assignments grow.

Features

• Full duplex open communication: No push-to-talk required for normal crew coordination.
• Superior & safe sound quality: Whistle volume is automatically reduced to safe levels and can be adjusted by the user.
• Lightweight, compact receivers: Approximately 4" x 2.5" and 4.2 oz for comfortable wear.
• Encrypted transmission: Helps keep communication secure and stable.
• 8+ hours battery life: 1700mA rechargeable power for full match days and tournament blocks.
• Up to 300m line-of-sight range: Strong coverage for most fields and sideline-to-sideline communication.
• Expandable system: Grow from 2 users up to 8 users as your crew needs change.
• 1-year manufacturer warranty: Added confidence for season-long use.
• Manufactured by Yapalong (Canada): Built by a long-standing name in referee communication equipment.

What’s Included

Yapalong 4000 (2 User) Referee Communication System Includes:

• 2 audio receivers
• 2 PRO armbands
• 2 shorts holsters
• 2 rechargeable USB kits with detachable AC/DC adapter
• 2 boom microphones, choose between two options:
• Open Mic, or
• Push-To-Talk

For more information about Yapalong, please read our Ref-Comm Frequently Asked Questions and Ref-Comm Binding Procedure pages. Optional accessories are also available, including Ref-Comm Carry Case, Ref-Comm World Cup Headset, and more.

Why Shop at Referee Store

When you’re buying referee communication systems and crew gear for soccer and football, you want dependable equipment and quick turnaround—so your Yapalong 4000 (2-user) set is ready for your next match.

• Owned and operated by former officials: We understand what crews need from reliable, match-day communication gear.
• Trusted shopping experience: Referee Store is a Google Top Quality Store with 1,600+ customer reviews.
• Fast processing + reliable shipping: Get your comms kit in time for match day.
• Flat-rate standard shipping: Predictable costs when you’re stocking up on officiating essentials.
• Express shipping available: Ideal for last-minute assignments and tournament weekends.
• Referee-focused customer service: Help with mic style selection (open mic vs push-to-talk) and compatibility questions.
• One-stop officiating shop: Build out a complete game-day kit—pair your communication system with whistles, uniform and accessories organizers, and soccer referee jerseys or football referee shirts in the same cart.

Bottom line: Referee Store makes it easy to keep a two-official crew connected with the right referee communication equipment and officiating-first support.

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