Bosch TR-300, Speaker module, Black, 12 dB, 10.8 mm, 12.7 mm, 5.08 mm Bosch TR-300. Product type: Speaker module, Product colour: Black, RX sensitivity: 12 dB. Width: 10.8 mm, Depth: 12.7 mm, Height: 5.08 mm. Power consumption: 700 mA