Quantity   Component name
1 × 6amp bridge rectifier Converts 120v AC to 120v DC, roughly
1 × 330uf 450v capacitor Smooths out the recified DC. Due to the charge pump effect with the diodes, it also steps the voltage up to about 160v DC.
1 × Motorola "Moto Stream" Bluetooth audio adapter, allows up to 5 devices to pair with the radio.