Conversion of your original BLAUPUNKT Köln to a new digitally controlled Class SB power amplifier with 4 x 45 W output power per speaker. Installation of a new FM receiver section with operation through the original tuner mechanism, installation of a RGB LED in the dial to indicate all radio operating conditions, HD voice announcements in English for user guidance, operation of all features through the original knobs and switches with ongoing digital correction of the original potentiometers by the RTOS microprocessor. If available: Connection of original STEREO lamp to indicate STEREO stations, Virtual controls for fader and balance when no physical controls are present on the radio, Automatic detection of connected speaker outputs with activation or deactivation by the digital power amplifier, Fully protected against line shorts, shorts to ground and shorts to battery, Noise suppression of ignition, alternator noise, Meets automotive OEM and SAE specifications.

AUDIO OUTPUT
Speaker Impedance: 2-45 Ohms
External Amplifier Impedance: 130-180 Ohms

FM-RECEIVER
Frequency Range: 87.5-108 MHz 
Channel Spacing: 100kHz

DAB/DAB+ RECEIVER
Frequency Range: 168-240 MHz
Acquisition Time: 940ms typical*

BLUETOOTH TRANSCEIVER
Frequency Band: 2.40-2.48 GHz
Standard: Bluetooth 5.0 certified, Class 2
Supported profiles: HFP 1.6, A2DP 1.2, AVRCP 1.2

USB-INTERFACE
SDP/CDP/DCP: USB 2.0 (1.0 and 1.1 compatible)
Maximum charging current: 2A