Can you get a travel bag/case for this expensive little guy?

I've looked for one also, including their website, and haven't found one. Mosisio has a camera case that looks like it will work ($30.99 on Amazon). I have it in my cart but haven't purchased yet.

How does the mini differ from the larger 40W one (besides the 10 vs 40W power)?

I do not have a lot of experience with the Spark 40, just a quick demo that was impressive, I admit. So aside from the obvious power difference :) the reason I chose the Mini was because of how truly small it really is, less than half the size of the Spark 40 and considerably lighter. Also a major factor for me is that I already have an excellent small combo amp ( 1960's Fender Champ) so I was looking for a very, very small amp to partner with my Yamaha SLG 200N when getting together with friends. Literally something I could toss in a bag and throw over my shoulder, or take camping. The Yamaha and the Spark Mini are a great combination! It sounds far better than you would expect from such a small amp, and with their app, is very versatile. I have also played my Tele and bass through it with very good results. But always keep in mind that this is all relative to its size! It cannot defy the laws of physics (though it takes a good stab.) Then there is price. When I bought my mini it sold for $200 (USD) which was a consideration. It is pricey but IMHO when compared to other tiny amps, there is the Spark Mini, and the rest. (Note: There is also a very small amp that sells for about $100 that is pretty d@#$n good. Not on the same level as the Mini, but if your budget is limited (and haven't we all been there!) it's more than worth a look. Hope this helps.

I'm ignorant and would appreciate help. Would this work well with an acoustic guitar or is the app overkill and 'wasted'? Thanks.

Okay.... I am assuming your acoustic guitar has a built in pick up, or you are using an accessory pick up. Either way is good. This little amp works extremely well with my Yamaha SLG200N, Fender Telecaster, etc. It even works (sort of) with a bass. The app is quite good, though it does take a bit to learn to navigate it. It certainly is not overkill. Kept within its limits, the Positive Grid Spark Mini is an astounding performer. Much better than you would expect. Do keep in mind that it is a tiny 10 watt extremely portable amp. Could you gig with it at your local Starbucks? Yes. But much beyond that... As good as this little thing is, it cannot defy the laws of physics. But it comes really close. Hope this helps.

Does this come with the optional crimson grille?

Mine did, but I got it in a promotional deal. I think you have to buy it separately now.

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Description

🎶 Your pocket-sized bandmate for inspired riffs anytime, anywhere!

SMART JAM LIVE - AI-driven bass and drum backing tracks adapt to your unique playing style in real time.
ENDLESS PLAYTIME - Rechargeable lithium-ion battery fuels up to 8 hours of uninterrupted jamming or streaming.
COMPACT POWERHOUSE - 10W digital modeling amp delivers rich, multi-dimensional sound anywhere you go.
TONE MASTERY ON THE GO - Access 30 amps and 40 effects via the free Spark app for limitless creative expression.
SEAMLESS RECORDING SHARING - Use as a USB audio interface and create share-worthy videos with built-in app tools.

The Positive Grid Spark MINI is a sleek, portable 10W smart guitar amplifier and Bluetooth speaker designed for electric, acoustic, and bass guitars. Featuring an 8-hour rechargeable battery, AI-powered Smart Jam Live backing tracks, and access to over 50,000 tones via the free Spark app, it empowers musicians to practice, record, and share high-quality sound effortlessly at home or on the move.

Specifications

Brand	Positive Grid
Manufacturer	Positive Grid
Model	855316004699
Model Name	Spark MINI
Product Dimensions	12.29 x 14.63 x 16.48 cm; 1.68 kg
Batteries	1 Lithium Ion batteries required. (included)
Item model number	855316004699
Compatible Devices	Electric Guitar, Acoustic Guitar, Bass
Special Features	Bluetooth Speaker, Built In Tone Preset, Portable Amplifier and Speaker, Spark Mobile App
Amplifier Type	Digital Modeling
Audio Wattage	10 Watts
Power Source	Battery Powered
Batteries Included	Yes
Batteries Required	Yes
Battery cell composition	Lithium Ion
Speaker Output Channel Quantity	1
Material	Akku
Includes Rechargeable Battery	Yes
Manufacturer	Positive Grid
Country of Origin	China
Item Weight	1 kg 680 g

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