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Retro car radio Blaupunkt Hamburg SQM 23 DAB

iconic retro car radio with a digital DAB+ tuner, Bluetooth audio streaming, 2× USB, variocolour backlighting and a revived classic 1980s design with modern features
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Retro car radio Blaupunkt Hamburg SQM 23 DAB

The Blaupunkt Hamburg SQM 23 DAB is a vintage-style 1DIN car radio inspired by the legendary 1980s model, combining an authentic retro look with the latest technologies for modern cars. The original radio's design has been carefully preserved and complemented by a modern DAB+ digital tuner and Blaupunkt Codem FM/AM receiver, ensuring crystal-clear reception of radio stations and a wider selection of digital channels without interference. The radio supports Bluetooth audio streaming and hands-free calling, so you can wirelessly play music from your phone or use voice assistants (e.g. Siri, Google or Alexa) without holding the phone in your hand. Playback via two USB ports allows convenient connection of USB flash drives or Apple® devices for access to your music or charging while driving.

A unique feature is the Variocolour LC display with 4,096 colors, allowing the backlighting to be matched to the vehicle interior to create a personalized dashboard look. The short installation depth is ideal even for vehicles with limited space behind the dashboard, such as classic cars and youngtimers. The radio preserves its settings even when the battery is disconnected, increasing user convenience. The Blaupunkt Hamburg SQM 23 DAB is a perfect choice for drivers who want the retro style of a legendary radio with modern functions for radio, Bluetooth connectivity and media playback.

Main features

  • 1980s retro design inspired by the original Hamburg SQM 23 - authentic style with modern technology.
  • DAB+ digital tuner and FM/AM with RDS - clear digital and analog reception of radio stations.
  • Bluetooth audio streaming and hands-free calling - wireless playback of music and phone calls from your phone.
  • 2× USB ports - playback from USB flash drives and charging of mobile devices.
  • Variocolour LC display with 4,096 colors - customizable backlighting to match the interior.
  • Short installation depth - ideal even for cars with limited space behind the dashboard.
  • Persistent storage of settings even after shutdown or battery disconnection.
  • Ability to program a favorite audio source directly to a button for quick access.
  • Sound presets and Loudness - optimized sound settings by music style.
  • Strong audio output 4×50 W with three- or four-channel preamplifiers and Sub-Out outputs for external amplifiers.

About the brand

Blaupunkt is a traditional and globally recognized brand with a long history in automotive electronics, associated for decades with quality car radios and car speakers. Blaupunkt car radios are known for reliable operation, intuitive controls and wide compatibility with modern technologies such as Bluetooth, hands-free, DAB+ digital radio or playback from USB and mobile devices. This makes them an ideal choice for daily use and long journeys. Blaupunkt speakers offer balanced and clear sound, easy installation and long service life - presenting a practical solution for replacing factory speakers or a basic audio system upgrade in the car. The Blaupunkt brand appeals to drivers looking for proven quality, functionality and good value for money without having to invest in complicated or unnecessarily expensive solutions.

Catalog numberHAMBURG SQM 23 DAB
BrandBlaupunkt
LinksOfficial web presentation
Car radio sizeCar radios are divided into 2 basic sizes, 1DIN car radios and 2DIN car radios .

1DIN size car radios - the exact dimensions including the metal frame where the car radio is inserted are 184 x 53 mm, the external dimensions of the branded 1DIN car radio are 188 x 59 mm.

We know 2DIN car radios from newer vehicles, a classic example is the VW Golf IV with navigation. The dimensions of a 2DIN car radio without a metal frame are 180 x 101 mm, the external dimensions of a branded 2DIN car radio are 189 x 119 mm.
1DIN
CD driveCar radios with CD drive. Car radios that have an input slot for inserting a CD. No
Integrated BluetoothBluetooth is a communication technology used for wireless connection between two or more electronic devices. A mobile phone, for example, can be connected to a car radio with built-in Bluetooth. Most car radios for 2017 and later can also wirelessly stream (play) music via Bluetooth -> A2DP function. Yes
USB inputThe USB input of the car radio is used to connect a USB flash drive or smartphone. Today, playing music via USB is the most popular way to listen to music in the car. The USB input can be front (on the front panel of the car radio) or rear (on the back of the cable). Yes
SD card accessModern branded car radios can play SDHC SD cards up to 32 GB, sometimes even 64 GB. The SD card slot is behind the front panel in most car radios. No
Supported formats via USB inputList of all supported formats (MP3, AAC, Flac, DivX, etc.) that the car radio can play via USB input. MP2, MP3, WMA, FLAC, M4A (AAC), APE, WAV
Apple CarPlayApple CarPlay is a completely new option for connecting a smartphone to a car radio that has the Apple CarPlay function. The connection is only by cable, thanks to the high data flow. You click on the Apple CarPlay icon on the car radio screen and application icons appear on the car radio screen like on a smartphone, and you can continue to control everything using the car radio. It also works with voice control and Siri. No
Android AutoGoogle's Android Auto is a completely new option for connecting a smartphone to a car radio that has the Android Auto function. The connection is only by cable, thanks to the high data flow. The Android OS requirement is at least version 5.0. You click on the Android Auto icon on the car radio screen, and application icons appear on the car radio screen like on a smartphone, and you can continue to control everything using the car radio. Voice control and GPS signal also works. No
Car radio performanceThe performance of the car radio shown in maximum values. This is therefore the MAX value. The performance of the internal amplifier of the car radio. Today, the RMS power of a car radio ranges from 17 - 30 W RMS per channel. 4 x 50 W
Number of RCA outputsRCA outputs , colloquially called "cinches", are used to connect an external amplifier or active subwoofer. Aftermarket car radios are usually equipped with 1 to 3 pairs of RCA outputs. FRONT, REAR and SUB are used.

It also depends on how many volt outputs the car radio is equipped with. More basic models of car radios have 2V outputs, more expensive units have 4V and more. The higher the specified value, the less power demands are placed on the external amplifier and the sound quality increases.
3 pairs
Output level on RCAAn important parameter if you are going to install an external amplifier. If you purchase a car radio with a basic value, i.e. 2V outputs, then greater demands will be placed on the power of the amplifier. As the value increases, e.g. 4V or 5V, the power of the external amplifier increases significantly, in layman's terms.

A car radio with strong outputs therefore has the advantage that you do not pull so much power through the amplifier and thus achieve a better sound, as external amplifiers lose control at higher loads.
4 V
Backlit buttonsColor options for the backlight of the car radio buttons. Variable
External microphone included in the packageThe external microphone is connected from the back of the car radio to the input marked "MIC". For ideal sound quality during a phone call, we recommend placing the external microphone on the left "A" pillar at the point where the "A" pillar and the roof panel connect to each other. A very good position to place an external microphone is also near the central rear-view mirror. Yes
Remote control includedCard IR remote control of the car radio, thanks to which certain functions of the car radio incl. control the volume from the hand, remotely. No
Removable front panelPossibility to remove the entire front panel of the car radio by pressing the side button. A very effective weapon against car radio theft. We recommend not hiding the panel in the vehicle, but taking it with you. Alternatively, place the panel in a hidden place in the trunk, but not when leaving the car, but before parking. You never know when a thief might be watching you. No

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