Knudsen CHIRP 3260 CHIRP 3260 Knudsen Engineering Limited http://knudseneng.com/products/chirp_3260 Chirp 3260 Echosounder Chirp 3260 Echosounder information information resourceProvider Knudsen CHIRP 3260 Echosounder The Chirp 3260 is designed for full ocean depth work where high transmit output power is a requirement. The Chirp 3260's 5U rackmount case can be fitted with up to six 2kW transmitter modules to output up to 12kW of total system power. The most common arrangement used by the research community worldwide is one 3.5 kHz channel configured for 10KW paired together with a 2KW, 12 kHz channel.