UT-P2020

MEMS SPEAKERS ACHELOUS UT-P2020 | DATASHEET Achelous UT-P2020 MEMS speakers are ideal for in-ear audio solutions such as wired earphones or true wireless systems (TWS). Thanks to its small size and low weight, Achelous UT-P2020 offers maximum flexibility for outstanding design approaches. As a wide bandwidth speaker, it enables high-res audio applications. Achelous UT-P2020 produces vivid, clear and rich sound, immersing the listener into their personal audio environment. FEATURES APPLICATIONS „ Full bandwidth achieved with a single MEMS speaker The Achelous UT-P2020 speakers can be used for in-ear audio systems such as wired earphones and true wireless systems (TWS). „ Enables modern, lightweight and ergonomic designs for wired earphones and TWS „ Seamlessly integrates into audio devices „ Extends battery life due to the speaker’s low power consumption „ Enhanced cover for handling protection „ Competitive sound pressure level „ No magnetic field „ Low heat generation Achelous UT-P2020 | Datasheet Released in February 2021, updated in June 2021 USound GmbH | www.usound.com | sales@usound.com CONTENT SPECIFICATIONS 3 MECHANICAL DIMENSIONS 4 FORCE ON SPEAKER 5 TEST CONDITIONS 6 REFERENCE DRIVING CIRCUIT 7 ACOUSTIC PERFORMANCE 8 HANDLING 12 INTEGRATION 13 SPEAKER GASKETS 14 CONNECTIVITY 15 LABELLING 15 PACKAGING 16 REVISION HISTORY February 2021: Release May 2021: Updated section “Acoustic performance using the Carme UJ-R1020/UJ-R1030 test box on coupler”, page 10; power consumption values added, page 3; capacity value adjusted, page 3; added section “Speaker gaskets”, page 14 2 Achelous UT-P2020 | Datasheet Released in February 2021, updated in June 2021 USound GmbH | www.usound.com | sales@usound.com SPECIFICATIONS General acoustics fres @ 15 VP [kHz] 2.7 [-] 0.6 Effective membrane surface – SD [mm²] 12 Equivalent volume – VAS [mm³] 60 Front volume inside speaker [mm³] 5.6 Back volume inside speaker [mm³] 20 SPL @ 250 Hz / 15 VP [dB] 116 ±3.0 SPL @ 1 kHz / 15 VP [dB] 118 ±3.0 SPL @ 5 kHz / 15 VP [dB] 115 ±3.0 SPL @ 250 Hz / 1 Vrms (1.4 VP) [dB] 94 ±3.0 SPL @ 1 kHz / 1 Vrms (1.4 VP) [dB] 95 ±3.0 SPL @ 5 kHz / 1 Vrms (1.4 VP) [dB] 92 ±3.0 THD @ 250 Hz / 1 Vrms (1.4 VP) [%] 0.3 +0.3 THD @ 1 kHz / 1 Vrms (1.4 VP) [%] 0.4 +0.3 THD @ 5 kHz / 1 Vrms (1.4 VP) [%] 0.6 +0.3 Lower bandwidth (-3 dB) [Hz]