Quick view Compare Sitextm150m Transom Mount 300 Watt, Frequency 95 - 155 K Si-tex $299.49 Si-tex TM150M Medium CHIRP Transom Mount Transducer with TemperatureModel: TM150MDepth and fast-response water-temperature sensorMedium frequency: 95 to 155 kHz26° to 17° beamwidth put more energy on... Qty in Cart: 0 Price: $299.49 Subtotal: