Replacement Power for Bose SoundDock XT

When a Bose SoundDock XT no longer powers on, cuts out unexpectedly, or is missing its external power adapter, finding the correct replacement is more important than simply matching the 12V rating. The Bose F12V-1.35C-DC is a 12V DC / 1.35A AC power adapter associated with the SoundDock XT and Bose part numbers 415209 and 626209-1900. With a calculated output capacity of approximately 16.2W, this adapter is intended for compatible Bose speaker equipment requiring the same 12V / 1.35A power specification and matching DC connector interface. It provides a practical replacement option when the original power supply is lost, damaged, or no longer delivering stable power.

Technical Specifications

OEM Replacement Compatibility

This adapter is associated with the following Bose power supply and device part numbers:

• F12V-1.35C-DC
• F12V-135C-DC
• ITC12V-1.35C-DC
• Bose P/N 415209
• Bose P/N 626209-1900

These identifiers are commonly associated with the 12V / 1.35A power supply used with the Bose SoundDock XT. Always compare the part number and connector of your existing adapter before ordering.

Compatible Devices

• Bose SoundDock XT

The SoundDock XT is the primary device association confirmed for this F12V-1.35C-DC power supply platform. Other Bose products using a similar 12V rating should not be assumed compatible solely because their voltage and current specifications appear similar.

Replacement & Compatibility Logic

A power adapter can fail while the speaker itself remains functional. Typical symptoms include no power, intermittent shutdowns, failure to start, or the speaker stopping during operation. Before replacing the speaker, check the existing adapter's model number, output rating, and DC connector. For this product, the key matching identifiers are F12V-1.35C-DC, 12V DC output, 1.35A current rating, and the associated Bose 415209 / 626209-1900 references. Physical connector compatibility should also be confirmed because a connector that looks similar may not provide the correct electrical interface.

Frequently Asked Questions

What is the Bose F12V-1.35C-DC used for?
The F12V-1.35C-DC is a 12V DC / 1.35A AC power adapter associated with the Bose SoundDock XT speaker system.

Can this adapter replace Bose P/N 415209?
The F12V-1.35C-DC is associated with Bose P/N 415209 in published product listings. Match the part number, electrical specifications, and connector against your existing adapter before purchasing.

What is the output power of the F12V-1.35C-DC?
The rated output is 12V DC at 1.35A. Multiplying voltage by current gives a calculated maximum output capacity of approximately 16.2W.

Is F12V-135C-DC the same model reference?
F12V-135C-DC is a shortened formatting of the F12V-1.35C-DC model reference found in product listings. When checking compatibility, compare the complete label and associated part number rather than relying on formatting alone.

Can I use this with any Bose speaker requiring 12V?
No. A 12V requirement alone is not enough to establish compatibility. The device must also match the required current, connector, polarity, and specific power-supply interface.

The Bose F12V-1.35C-DC is a 12V DC, 1.35A AC power adapter with a calculated 16.2W output capacity, associated with the Bose SoundDock XT speaker and Bose part numbers 415209 and 626209-1900. It is intended to replace a matching F12V-1.35C-DC power supply when the existing adapter is missing, damaged, or no longer providing stable power, provided the voltage, current, connector, polarity, and part number match the equipment requirements.

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