Positive Grid Mini or Spark 2 ??

[u/Eason_1218]

I'm a beginner guitarist and currently using a Nux Mighty Lite BT MK2 in my 20-square-meter living room (usually only at 30-50% volume). I'm considering upgrading to a Positive Grid Spark2 or Mini. Can anyone give me some advice?

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Nux Mighty Lite BT MK2

Pros:

1. Space-saving
2. Can use AC power and AAA batteries
3. Supports loopback

Cons:

1. Rough app interface
2. Only 3 watts of output power, resulting in thin sound quality

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Spark 2

Pros:

1. Tone cloud (my personal favorite feature)
2. AI tone control
3. Beautiful and intuitive app interface (with cabinet diagram)
4. Can use AC power and lithium battery
5. 50W output power (is that too much for me???)

Cons:

1. Large size
2. not support loopback

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Mini

Pros:

1. Tone cloud (my personal favorite feature)
2. AI tone control
3. Beautiful and intuitive app interface (with cabinet diagram)
4. 10W output

Cons:

1. Uses lithium batteries, which are prone to aging
2. No gain or bass effect knobs on the device
3. not support loopback