| Photo | Mfr. Part # | Availability | Price | Quantity | Datasheet | Packaging | Series | ProductStatus | Technology | Type | FrequencyRange | Frequency-SelfResonant | Impedance | Efficiency-dBA | Efficiency-Testing | Efficiency-Type | Power-Rated | Power-Max | PortLocation | Shape | Material-Cone | Material-Magnet | IngressProtection | Ratings | Termination | Size/Dimension | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|   | UT-P2018MEMS SPEAKER IN-EAR ACHELOUS | 638 | 9.46 | RFQ |   Datasheet | Tray | - | Active | Piezo | General Purpose | 20 Hz ~ 20 kHz | - | - | - | - | Sound Pressure Level (SPL) | - | - | Top | Rectangular | - | - | - | - | Solder Pads | 0.264 L x 0.185 W (6.70mm x 4.70mm) | 
|   | UT-P2020MEMS SPEAKER IN-EAR ACHELOUS | 943 | 12.63 | RFQ |   Datasheet | Tray | - | Active | Piezo | General Purpose | 20 Hz ~ 20 kHz | 2.7kHz | - | - | - | Sound Pressure Level (SPL) | - | - | Top | Rectangular | - | - | - | - | Solder Pads | 0.264 L x 0.185 W (6.70mm x 4.70mm) | 
|   | UT-P2023MEMS ADAP SPEAKER FREE FIELD APP | 926 | 12.63 | RFQ |   Datasheet | Tray | - | Active | Piezo | General Purpose | 20 Hz ~ 20 kHz | 2.7kHz | - | - | - | Sound Pressure Level (SPL) | - | - | Top | Rectangular | - | - | - | - | Solder Pads | 0.264 L x 0.185 W (6.70mm x 4.70mm) | 
|   | UT-P2019MEMS ADAP SPEAKER FREE FIELD APP | 3,463 | 9.37 | RFQ |   Datasheet | Tray | - | Obsolete | Piezo | General Purpose | - | - | - | - | - | Sound Pressure Level (SPL) | - | - | Top | Rectangle | - | - | - | - | Solder Pads | 0.264 L x 0.185 W (6.70mm x 4.70mm) | 
|   | UY-R3020MEMS SPEAKER ARRAY WITH EXTERNAL | 3,635 | 328.13 | RFQ |   Datasheet | Box | - | Active | Piezo | General Purpose | 20 Hz ~ 20 kHz | - | - | - | - | Sound Pressure Level (SPL) | - | - | Top | Rectangular | - | - | - | - | Flex Contacts | 2.807 L x 0.472 W (71.30mm x 12.00mm) | 
|   | UY-E2010SPEAKER PROTHEUS DIY KIT | 3,342 | 769.70 | RFQ |   Datasheet | Bulk | - | Active | Piezo | General Purpose | - | - | - | - | - | - | - | - | - | Rectangular | - | - | - | - | - | - | 
|   | UT-P 2013MEMS SPEAKRS FREE FIELD APP ADAP | 2,585 | 0.00 | RFQ |   Datasheet | Box | - | Obsolete | Piezo | - | 2 kHz ~ 20 kHz | - | 161 Ohms | - | - | Sound Pressure Level (SPL) | - | - | Top | Rectangular | - | - | - | - | - | - | 
|  | UT-P 2016MEMS SPEAKER IN-EAR ACHELOUS | 2,327 | 0.00 | RFQ |   Datasheet | Tray | - | Obsolete | Piezo | - | 10 Hz ~ 20 kHz | - | 137 Ohms | - | - | Sound Pressure Level (SPL) | - | - | Top | Rectangular | - | - | - | - | - | - | 
|  | UT-P 2017MEMS SPEAKER FREE FIELD APP ADAP | 3,783 | 0.00 | RFQ |   Datasheet | Tray | - | Obsolete | Piezo | - | 2 kHz ~ 20 kHz | - | 161 Ohms | - | - | Sound Pressure Level (SPL) | - | - | Top | Rectangular | - | - | - | - | - | - |