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A small (12mm diameter) round speaker to use for sound signlals or creating music. Voltage: 3.5 -5.5V Power supply: < 25mA Frequency: 2300+-500 Diameter: 12mm

A small (29mm diameter) round speaker to use for sound signals or creating music. 0.8ohm Power rating:0.25W Diameter: 29mm

Min. sound output: dB at 10cm>105/12V Rated voltage: 12V Operating voltage: 7~15V Resonant frequency: 2Hz Max. current consumption: 200mA/12V Operating temperature: -20~+60 °C Storage temperature: -30~+70 °C Terminal: Wire

Input voltage: DC14-32V Output power:2x100w Harmonic distortion:Po=1W/0.05% Frequency response range:18-100KHZ Output resistance:4-8ohm Line type: D types Chip:TDA7498 Switching frequency:360KHz Signal to noise ratio:110db Size: 9.4x6.2cm

After power is turned on, the product automatically goes into pairing mode 2.1 Interface DC 12V power supply CSR8635 Bluetooth V4.0 Out Impedance: 8 ohms Best (ohm impedance speakers can drive 4,6,8,16) Out Power: Add pre-5532 output foot DIP switches can be more easily adjusted directly after class amplifier gain, better promote damping large horn No AUX

After power is turned on, the product automatically goes into pairing mode 2.1 Interface DC 12V power supply CSR8635 Bluetooth V4.0 Out Impedance: 8 ohms Best (ohm impedance speakers can drive 4,6,8,16) Out Power: Add pre-5532 output foot DIP switches can be more easily adjusted directly after class amplifier gain, better promote damping large horn