To connect an equaliser to the Philips TAM8905/10 and adjust bass or other sound parameters, you have several connection options, but there are some limitations and considerations to take into account:

## Available connections
- The TAM8905/10 has a 3.5mm audio input and a USB connection, but these connections are primarily for playing audio files and not for connecting an equaliser.

## Connection via audio output
- You can use the TAM8905/10's audio output, if available, to connect the equalizer. However, the documentation does not explicitly mention a dedicated audio output for this model. You will need to check the outputs available on the device.

## Using an external adapter or amplifier
- One possible solution would be to use a home cinema amplifier or receiver with appropriate audio inputs and outputs, and then connect the equaliser between this device and the TAM8905/10. However, this would require additional equipment.

## Internal adjustments
- The TAM8905/10 has a digital sound control function that allows you to choose from a number of preset sound styles (Powerful, Clear, Bright, Warm, Balanced). You can use these options to adjust the sound to your taste, although it's not as flexible as a dedicated equalizer.

In summary, although the TAM8905/10 offers several connection options, it is not designed for direct connection to an equaliser. You'll need to explore alternative solutions such as using intermediate equipment or adjusting the sound settings available on the device.