The GRAS 40PP-10 offers functions for testing drivers, receivers, loudspeakers, acoustic transducers and microspeakers in the production line. This acoustic sensor has a frequency range of up to 20 kHz and a wide dynamic range of less than 30 dB (A) to 135 dB. You can use the GRAS 40PP-10 for recording soundscapes in array configurations and for multi-channel measurements and analysis. The GRAS 40PP-10 has an integrated CCP (Constant Current Power) preamplifier and a built-in TEDS (Transducer Electronic Data Sheet) chip. With the TEDS chip you can program the GRAS 40PP-10 as a complete unit.