---
product_id: 368569328
title: "Avantree Quartet - 4 Wireless Headphones & 1 Transmitter for Multiple Group Listening Scalable to 100 with No Lip-Sync Delays for TV Watching, Silent Discos, Hearing Assistance in Church, and More"
brand: "avantree"
price: "R$4670"
currency: BRL
in_stock: true
category: "Avantree"
url: https://www.desertcart.com.br/products/368569328-avantree-quartet-4-wireless-headphones-and-1-transmitter-for-multiple
store_origin: BR
region: Brazil
---

# Scalable up to 100 headphones 4 wireless headphones + 1 transmitter Ultra-low 30ms latency, no lip-sync delay Avantree Quartet - 4 Wireless Headphones & 1 Transmitter for Multiple Group Listening Scalable to 100 with No Lip-Sync Delays for TV Watching, Silent Discos, Hearing Assistance in Church, and More

**Brand:** avantree
**Price:** R$4670
**Availability:** ✅ In Stock

## Summary

> 🎧 Unite your crew with flawless wireless sound—no delays, no limits!

## Quick Answers

- **What is this?** Avantree Quartet - 4 Wireless Headphones & 1 Transmitter for Multiple Group Listening Scalable to 100 with No Lip-Sync Delays for TV Watching, Silent Discos, Hearing Assistance in Church, and More by avantree
- **How much does it cost?** R$4670 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.br](https://www.desertcart.com.br/products/368569328-avantree-quartet-4-wireless-headphones-and-1-transmitter-for-multiple)

## Best For

- avantree enthusiasts

## Why This Product

- Trusted avantree brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Dual Audio Output:** Simultaneously stream audio to wireless headphones and external soundbars or stereo systems for immersive sound.
- • **Massive Scalability:** Expand your setup to 100 headphones for ultimate group experiences—from silent discos to classrooms.
- • **Universal Compatibility:** Supports optical, AUX, and RCA inputs to connect effortlessly with TVs, projectors, mixers, and more.
- • **Flawless Audio-Visual Sync:** Experience crystal-clear sound with latency as low as 30ms—perfect for TV watching and live events.
- • **Seamless Group Audio Sharing:** Connect 4 headphones instantly to one transmitter for personalized volume control and shared listening.

## Overview

Avantree Quartet is a premium wireless audio system featuring 4 over-ear headphones and 1 transmitter, scalable up to 100 units. It delivers ultra-low latency (30ms) for perfect audio-visual synchronization, supports multiple input types (optical, AUX, RCA), and allows simultaneous output to headphones and soundbars. Ideal for group TV watching, silent discos, and hearing assistance, it offers 20 hours of battery life and professional-grade sound isolation.

## Description

Buy Avantree Quartet - 4 Wireless Headphones & 1 Transmitter for Multiple Group Listening Scalable to 100 with No Lip-Sync Delays for TV Watching, Silent Discos, Hearing Assistance in Church, and More: Earbud Headphones - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

## Features

- [SHARE THE AUDIO] All 4 headphones come automatically connected to the transmitter, allowing multiple people to listen to a single audio source at their preferred volumes.
- [SCALABLE TO 100] Connect up to 100 Quartet add-on headphones for the ultimate group listening experience.
- [ALL-SITUATIONS COMPATIBLE] With optical, AUX, and RCA input options, the Quartet transmitter is compatible with the majority of audio source devices, such as TVs, projectors, mixer boards, etc., making it ideal for any situation from church to silent discos to school classes and more.
- [NO LIP-SYNC DELAYS] With latencies as low as 30ms, you’ll be able to enjoy a perfectly synced visual & audio experience no matter how many headphones you connect.
- [SOUNDBAR SUPPORT] The Quartet’s pass-through function allows you to output audio through both the wireless headphones and an external soundbar or stereo AVR simultaneously.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09BHQDHFS |
| Additional Features | Volume Control, wireless 2.4 RF |
| Age Range Description | Adult |
| Antenna Location | Family Movie, TV Watching |
| Audio Driver Type | Dynamic Driver |
| Audio Latency | 30 Milliseconds |
| Battery Average Life | 20 Hour |
| Battery Charge Time | 3 Hours |
| Best Sellers Rank | #43,078 in Electronics ( See Top 100 in Electronics ) #1,146 in Over-Ear Headphones |
| Brand Name | Avantree |
| Built-In Media | Cable - Optical, RCA, 3.5mm AUX / USB Charging Cable, Headphones x4, Transmitter x1 |
| Cable Features | Optical, RCA, 3.5mm AUX, USB |
| Color | Black |
| Compatible Devices | Television, Laptops, Desktops |
| Connectivity Technology | 2.4G RF Wireless |
| Control Method | Touch |
| Control Type | Volume Control |
| Customer Reviews | 4.4 4.4 out of 5 stars (324) |
| Earpiece Shape | Over Ear |
| Enclosure Material | Leather |
| Frequency Range | 20Hz - 20KHz |
| Frequency Response | 20000 Hz |
| Headphone Folding Features | Over Ear |
| Headphone Jack | 3.5 mm Jack |
| Headphones Ear Placement | Over Ear |
| Impedance | 32 Ohms |
| Is Autographed | No |
| Item Type Name | Multiple RF Wireless Headphones (4 Pack) for TV Watching |
| Item Weight | 220 Grams |
| Manufacturer | Avantree |
| Model Name | Quartet |
| Model Number | WSHT-5049 |
| Noise Control | Sound Isolation |
| Number of Items | 5 |
| Specific Uses For Product | TV Watching |
| Style Name | Quartet |
| Theme | Movie |
| Unit Count | 4.0 Count |
| Warranty Description | Warranty - 24 months (product registration to cover first 12m return shipment cost) | Extensive Support: Chat, Email, Phone, Online Clinic, Video Tutorials, FAQ and Registration - avantree.com/support |
| Water Resistance Level | Not Water Resistant |
| Wireless Technology | 2.4G RF Wireless |

## Product Details

- **Brand:** Avantree
- **Color:** Black
- **Ear Placement:** Over Ear
- **Form Factor:** Over Ear
- **Impedance:** 32 Ohms

## Images

![Avantree Quartet - 4 Wireless Headphones & 1 Transmitter for Multiple Group Listening Scalable to 100 with No Lip-Sync Delays for TV Watching, Silent Discos, Hearing Assistance in Church, and More - Image 1](https://m.media-amazon.com/images/I/51JM1TluyOL.jpg)
![Avantree Quartet - 4 Wireless Headphones & 1 Transmitter for Multiple Group Listening Scalable to 100 with No Lip-Sync Delays for TV Watching, Silent Discos, Hearing Assistance in Church, and More - Image 2](https://m.media-amazon.com/images/I/61fwRxYGBoL.jpg)
![Avantree Quartet - 4 Wireless Headphones & 1 Transmitter for Multiple Group Listening Scalable to 100 with No Lip-Sync Delays for TV Watching, Silent Discos, Hearing Assistance in Church, and More - Image 3](https://m.media-amazon.com/images/I/61JjjFOqwEL.jpg)
![Avantree Quartet - 4 Wireless Headphones & 1 Transmitter for Multiple Group Listening Scalable to 100 with No Lip-Sync Delays for TV Watching, Silent Discos, Hearing Assistance in Church, and More - Image 4](https://m.media-amazon.com/images/I/61i-vnUmQ-L.jpg)
![Avantree Quartet - 4 Wireless Headphones & 1 Transmitter for Multiple Group Listening Scalable to 100 with No Lip-Sync Delays for TV Watching, Silent Discos, Hearing Assistance in Church, and More - Image 5](https://m.media-amazon.com/images/I/51L76wolESL.jpg)

## Available Options

This product comes in different **Style** options.

## Questions & Answers

**Q: Is it possible to have 3 receivers in the same room?  I assume I would need to change each to be on a different frequency/channel, is that possible?**
A: You can have 2-3 transmitters in the same location, as far as keeping them 3 feet apart from each other. No need to re-program them.

**Q: I ordered the set of 4 earphones with the transmitter for a silent disco experience and now need to order 4 additional earphones which do I order?**
A: Here is the additional headphones for Quartet - https://www.amazon.com/dp/B09DKS353X

**Q: How adjustable are the headphones?  I'm looking for something that my young children can use and grow into.**
A: Adjustable to fit kids to adults

**Q: Is it possible for my wife to listen from TV speaker while I listen through headphones?**
A: Yes that should not be a problem.  I am able to use the headphones as well as my sound bar and TV speakers.

## Frequently Bought Together

- Avantree Quartet - 4 Wireless Headphones & 1 Transmitter for Multiple Group Listening Scalable to 100 with No Lip-Sync Delays for TV Watching, Silent Discos, Hearing Assistance in Church, and More
- Avantree Quartet-Extra - 2.4G RF Wireless Add-On Headphones Quartet Multiple Listening System, Scalable to 100
- Avantree [Super Stable] Neetto Dual Headphones Stand for Desk, Aluminum Alloy & Metal Gaming Headsets Holder Hanger for Sennheiser, Sony, Audio-Technica, Bose, Beats, Akg, Display Mount - HS908

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.com.br/products/368569328-avantree-quartet-4-wireless-headphones-and-1-transmitter-for-multiple](https://www.desertcart.com.br/products/368569328-avantree-quartet-4-wireless-headphones-and-1-transmitter-for-multiple)

---

*Product available on Desertcart Brazil*
*Store origin: BR*
*Last updated: 2026-07-09*