If you want professional-grade audio fidelity, a locked-in fit for long shifts, and the flexibility to use wired or wireless connections in a high-noise environment, choose MEE audio MX1; if you need active noise cancellation specifically for travel, airplane entertainment integration, and a complete transmitter-earbud bundle for immediate wireless listening, choose Avantree Relay.
• MEE audio MX1: Offers superior sound clarity with aptX Lossless support and 14-hour battery life, but relies on passive isolation rather than active noise cancellation. Best for call center agents who prioritize audio accuracy and all-day comfort.
• Avantree Relay: Delivers immersive listening with six-microphone Active Noise Cancellation (ANC) and includes a dedicated Bluetooth transmitter for in-flight use, though it lacks the deep customization of custom-fit options. Best for travelers and those needing to block out ambient office chatter instantly.
The MEE audio MX1 PRO is built for people who treat their audio gear as serious tools rather than casual accessories. At its core, this kit combines high-fidelity in-ear monitors with a versatile Bluetooth adapter system. The standout feature here is the BT3 adapter, which transforms standard wired monitors into a fully wireless experience without sacrificing audio quality. This is critical for professionals who rely on crystal-clear communication. The adapter supports advanced codecs like LDAC and aptX Lossless, ensuring that every nuance of speech or music remains intact during transmission. For someone working in a busy call center, this level of fidelity means fewer misunderstandings and less strain on the ears during marathon shifts.
The physical design of the MX1 PRO leans heavily into security and stability. Unlike many consumer earbuds that sit loosely in the ear canal, these come with flexible earhooks and sliding cable cinches designed to keep the monitors firmly in place regardless of movement. This is a game-changer for anyone standing up, moving around, or wearing a headset over them. The package also includes Comply memory foam eartips alongside standard silicone options, allowing users to dial in the perfect seal. While there is no active noise cancellation circuitry, the combination of the dynamic driver tuning and the physical seal provided by the foam tips creates a significant amount of passive noise reduction. You can't hear the room as much because your ears are physically blocked from the outside world.
This product is ideal for the professional who wants a "set it and forget it" solution that scales. If you start a shift with the wired connection, you have zero latency issues. When you need to move freely or switch to a mobile device, you simply swap in the BT3 adapter. The battery life on the adapter itself is rated for up to 14 hours, which covers almost any single workday without needing a recharge. However, I would advise against this pick if you require digital silence buttons to kill background noise electronically. The MX1 relies on your own ability to block sound physically. If you have sensitive ears that react poorly to pressure or prefer the feeling of electronic silence over physical sealing, you might find the fit too intrusive after several hours. But for pure audio performance and durability, it stands apart.
We compare products from their published specs and features; the verdicts below are our independent editorial opinions.
Updated: 2026-10-27 · 6 min read · Independent comparison
The Avantree Relay bundle takes a completely different approach, focusing on versatility and environmental control. This isn't just a pair of earbuds; it is a complete ecosystem designed to connect you to any audio source wirelessly. The centerpiece is the Relay transmitter, a compact device that plugs directly into a 3.5mm jack. This makes it uniquely powerful for environments where audio sources are fixed and non-Bluetooth, such as older airplanes, gym equipment, or specific conference room setups. Once connected, the transmitter streams audio to the included Infinity NC earbuds using aptX Adaptive technology, which helps synchronize audio and video perfectly. This low-latency capability is essential for anyone watching content or participating in real-time discussions where lip-sync matters.
What truly sets the Avantree system apart is the Active Noise Cancellation (ANC). The Infinity NC earbuds utilize a six-microphone system to actively detect and cancel out surrounding noise. In a bustling call center or a noisy airport terminal, this feature provides a sense of isolation that passive seals simply cannot match. You aren't just blocking sound; you are electronically removing it. This allows for a more relaxed posture during long calls, as you don't have to press the earbuds harder into your ears to get the same effect. The inclusion of six EQ modes gives users the ability to tailor the sound profile to their specific preference, whether they want boosted bass for music or clearer mids for voice calls.
However, this power comes with trade-offs regarding customization and compatibility. The earbuds are designed for general use across phones, PCs, and TVs, but the Relay transmitter has specific limitations—it does not work with musical instruments or assistive listening devices. Furthermore, while the ANC is excellent, the earbuds lack the option for custom molding. You are stuck with the standard tips provided, which may not fit every ear shape as securely as the MX1's adjustable hooks. This pick is perfect for the frequent traveler or the agent who needs to quickly isolate themselves from a chaotic environment. If your primary workflow involves plugging into legacy audio jacks or requires total silence from the outside world, the Avantree Relay is the logical choice. Just be aware that you are trading the rugged, customizable fit of the MEE audio for the electronic convenience of ANC.
• Best for Battery Life → MEE audio MX1: With a solid 14-hour runtime on the adapter, it handles full shifts without interruption.
• Best for Audio Fidelity → MEE audio MX1: Supports aptX Lossless and LDAC, offering the most accurate sound reproduction available in this comparison.
• Best for Noise Isolation → Avantree Relay: The six-microphone ANC actively removes background noise, superior to the passive isolation of the MX1.
• Best for Legacy Connectivity → Avantree Relay: The included transmitter works with any 3.5mm jack, including old airplane seats and non-Bluetooth devices.
• Best for Custom Fit → MEE audio MX1: Supports custom 3D-printed eartips and features flexible earhooks for a secure, personalized seal.
• Best for Low Latency → Avantree Relay: The aptX Adaptive pairing ensures synchronized audio, making it better for video or real-time monitoring.
• Best for Durability → MEE audio MX1: Built with robust materials and a wired backup option, it feels more industrial and long-lasting.
• Best for Travel → Avantree Relay: The all-in-one bundle with a dedicated transmitter is purpose-built for flights and public transport.
After weighing the specifications and intended use cases, I recommend the MEE audio MX1 for the call center environment. While the Avantree Relay offers impressive noise cancellation, the MEE audio MX1 provides the stability, audio clarity, and battery endurance that define a professional workstation. The ability to switch between wired and wireless without losing signal integrity, combined with the secure fit of the earhooks, makes it the more reliable tool for high-volume, long-duration use. For call center agents, knowing exactly what a customer is saying without digital artifacts or fit issues is paramount, and the MX1 delivers that confidence.
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