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This document contains data proprietary to PUI Audio Inc. Any use or reproduction, in any form, without prior written permission of PUI Audio Inc. is prohibited. ©2017, PUI Audio Inc. PUI Audio, Inc. A Projects Unlimited Company, 3541 Stop Eight Road, Dayton, OH 45414 Tel: (937) 415-5901 Fax: (937) 415-5925 Data Sheet AS01808MS-SC18-WP-R PUI Audio’s Mobile Series line of speakers and receivers is designed for cutting- edge applications such as smart watches and pendants, Wi-Fi enabled security devices and action cameras, mobile radios and smart phones, as well as IoT devices. Each Mobile Series product features an IP67-rated face for protection against dust and water ingress. The eight ohm 18mm x 13mm AS01808MS-SC18-WP-R speaker is designed for high fidelity audio reproduction in the thinnest size possible—only 2.5mm thick! Spring contacts offer quick electrical connection. Features:

  • PEEK diaphragm for flat frequency response
  • 88 dB output (2V @ 10cm)
  • High-energy neodymium motor
  • Only 2.5 mm thick
  • Dustproof and waterproof IP67 -rated face Specifications Parameters Values Units Rated Input Power 0.5 Watts Max Input Power 1 Watts Impedance 8 ± 15% Ohms Sensitivity (SPL @ 2.37V/10cm) At 2 kHz in 1cc enclosure 88 ± 3 dB Resonant Frequency (in 1cc enclosure) 850 ± 20% Hz Frequency Range 500 ~ 20,000 Hz Frame Material PPA - Magnet Material NdFeB - Weight 1.8 Grams Environmental Protection Rating IP67 -

This document contains data proprietary to PUI Audio Inc. Any use or reproduction, in any form, without prior written permission of PUI Audio Inc. is prohibited. ©2017, PUI Audio Inc. PUI Audio, Inc. A Projects Unlimited Company, 3541 Stop Eight Road, Dayton, OH 45414 Tel: (937) 415-5901 Fax: (937) 415-5925 Specifications (continued) Buzz, Rattle, etc. Should not be audible with 2V sine sweep from 500 Hz to 10 kHz installed in a 1cc enclosure Polarity When positive voltage is applied to the positive terminal, the diaphragm will move outward Storage Temperature -40 ~ +85 °C Operating Temperature -20 ~ +70 °C Measurement Method (measured with 2V, Temperature: 15 ~ 35°C, Relative Humidity: 45%~85%) Frequency Response (measured with 2V @ 10cm in 1cc enclosure)

This document contains data proprietary to PUI Audio Inc. Any use or reproduction, in any form, without prior written permission of PUI Audio Inc. is prohibited. ©2017, PUI Audio Inc. PUI Audio, Inc. A Projects Unlimited Company, 3541 Stop Eight Road, Dayton, OH 45414 Tel: (937) 415-5901 Fax: (937) 415-5925 Impedance Response (Measured with speaker in a 1cc enclosure) Reliability Testing Type of Test Test Specifications High Temperature Test 96 hours at +85°C ± 3°C followed by two hours in normal room temperature Low Temperature Test 96 hours at -40°C ± 3°C followed by two hours in normal room temperature Humidity Test 96 hours at +55°C ± 3°C with relative humidity at 95% in accordance with IEC 68-2-67 Temperature Cycle Testing The part shall be subjected to 20 cycles using the following procedure: Low temperature: -40℃±3℃ High temperature:+85℃±3℃ Cycle: 30 mins at High, 10 seconds High to Low, 30 mins at Low, 10 seconds minutes Low to High Vibration Test 10 to 55 to 10 Hz sine sweep, per minute @ 1.5mm amplitude 2 hours in each axis X, Y, and Z Drop Test Mount speaker to 150g fixture, drop fixture 1.5 meters, twice per side and twice for each corner Load Test DUTs shall be tested under each specified climatic condition for a continuous period of 100 hours at rated noise power. Speakers mounted in a 1cc back cavity; simulated program signal (IEC 268-1) with crest factor of 1.8~2.2 ，in rated frequency range; high pass 12dB/Oct or steeper, cut off at 850Hz. Refer to IEC 268-5 After each test, the speaker’s SPL shall be ±3 dB of the original SPL

This document contains data proprietary to PUI Audio Inc. Any use or reproduction, in any form, without prior written permission of PUI Audio Inc. is prohibited. ©2017, PUI Audio Inc. PUI Audio, Inc. A Projects Unlimited Company, 3541 Stop Eight Road, Dayton, OH 45414 Tel: (937) 415-5901 Fax: (937) 415-5925 Dimensions (Bottom contact is positive on the far right drawing below) Packaging

This document contains data proprietary to PUI Audio Inc. Any use or reproduction, in any form, without prior written permission of PUI Audio Inc. is prohibited. ©2017, PUI Audio Inc. PUI Audio, Inc. A Projects Unlimited Company, 3541 Stop Eight Road, Dayton, OH 45414 Tel: (937) 415-5901 Fax: (937) 415-5925 Specifications Revisions Revision Description Date - Released from Engineering 11/20/2017 Note: 1. Unless otherwise specified: A. All dimensions are in millimeters. B. Default tolerances are ±0.5mm and angles are ±3°. 2. Specifications subject to change or withdrawal without notice. 3. This part is RoHS 2011/65/EU Compliant.