Poly EncorePro HW520 (also known as EncorePro 520):
🎧 Overview
The Poly EncorePro HW520 is a wired, dual-ear (binaural), over-the-head headset with a flexible noise‑canceling boom microphone and Quick Disconnect (QD) interface—designed for heavy phone-use environments like call centers and busy offices.
🔑 Key Features
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Lightweight & robust – Weighs only ~74 g with laser-welded metal joints for long durability
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Noise-canceling boom mic – Reduces background noise, with flexible 280–290° rotation and tactile positioning cues
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Wideband audio – Delivers clear, natural sound quality up to 6.8 kHz for speech clarity
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Sound protection – SoundGuard limits peak volumes over 118 dBA and includes anti-startle protection below 102 dB SPL
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Quick Disconnect (QD) – Enables fast unplugging from desk phones or adapters while staying on the headset
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Comfort-oriented design – Soft foam cushions, adjustable headband with 6-point adjustment for all-day comfort
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2‑year warranty – Ensures long-term support for enterprise usage
⚙️ Tech Specs
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Weight: ~74 g (2.6 oz)
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Headset style: Supra-aural, binaural, over‑the‑head
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Connectivity: QD; requires compatible cable or amplifier (e.g., DA80, M22)
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Microphone frequency: 20 Hz–10 kHz (wideband support)
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Speaker frequency: 20 Hz–6.8 kHz, optimized for voice
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Boom rotation: ~290° for ideal positioning
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Cable length (QD models): ~785 mm / 30.9″
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Certifications: Compatible with desk phones and USB using adapters like DA80/DA85; hearing‑aid compatible (HAC)
👍 Pros & ⚠️ Cons
✅ Advantages:
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Superb comfort and light weight for long shifts
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Strong mic suppression in noisy settings
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Durable build and reliable QD system
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Excellent value under $100 with 2‑year warranty
⚠️ Considerations:
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Not plug-and-play USB — needs adapter or amplifier for PC use
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Foam cushions may require replacement for hygiene/comfort over time
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No inline controls—volume/mute managed via external system
🛠️ Typical Use Cases
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Call centers and support teams needing clear audio and comfort
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Busy offices where QD lets agents step away briefly
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Unified communications setups using Poly amplifiers or USB adapters
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Users needing hearing protection and longterm reliability
