User Manual
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PHLHA52
DIGITAL HEARING AID
4 Channel Universal Fit, Behind The Ear (BTE) 
Hearing Amplier
Features:
 • Digital Hearing Amplier
 • Universal Fit Behind The Ear
 • Interchangeable Ear Tip to Seal Out the Noise
 • Selectable Listening Modes: Normal , Noise-Cut-   
 Down, Outside, In-House
 • Unique Ergonomic Design to Prevent Occlusion   
 Eect
 • Active Noise Reduction
 • Over Discharge/Charge Feature
 • Wider Dynamic Range Compression
 • Battery Operated 
What’s in the Box:
 • (3) Ear Tip – (2) Medium, (1) Large
 • (2) Ear Tube
 • Manual 
Technical Specs:
 • Construction Material: ABS
 • Input Noise: ≤28dB
 • Sensitivity: ≥40dB
 • THD: 4%
 • Max Sound Output: 125±5dB
 • Frequency Range: 200-6000Hz
 • Power Supply: D.C.1.3V
 • Working Voltage: D.C.1.3V
 • Working Current: ≤4mA
 • Dimensions (L x W x H): 4.21’’ x 0.37’’ x 0.94’’ -inches
 • Sold as: 1
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