Have you checked out SoundBocks? https://soundboks.com. Source: about 1 year ago

I had a look at the SoundBoks this weekend at an event I was playing at. It had only a 10ms delay which was pretty awesome. This is out of your price range at 1000 USD, but mentioning here for anyone else looking for wireless portable speakers: Https://soundboks.com/. Source: about 1 year ago

Starting Monday, April 4 at 4PM CET/7AM PST—and repeating every Monday at the same time for the following weeks—we will make a limited number of batteries available for sale on soundboks.com through the regular product page. We’re limiting purchases to only ONE PER CUSTOMER. It will be first-come, first-served, and when the week’s supply is gone—it’s gone. But there will always be the next week :). Source: over 2 years ago

- Got into https://fi.co/ accelerator program but failed in the local market so the entire team along with the seed investor decided to not go forward with it anymore. Source: almost 2 years ago

The main take aways I have gained from this experience is. They want things clear, and to the point. Any waffling or lack of knowledge into things like insurance/legal/finance then they get cold feet. In today's climate, pre-seed ideas have less chance then ever with a glooming recession. This means Investors just don't want to take the risk this year and will invest in seed rounds or higher. Global statistics... Source: almost 2 years ago

If your idea is for B2B, I recommend you apply for the founder institute accelerator program They accept application at the idea stage. I have been in their mentor network for over two years(Growth specialist). The program is 4 month and intensive but absolutely valuable. They will teach you everything around building a startup from scratch. You can apply here: https://fi.co/ good luck! Feel free to DM if you have... Source: about 2 years ago

Take a look at fi.co - good programs, although there's a cost and you do need to give up a small percentage interest in your startup. But you get intros to many mentors, a cohort of other founders, and a proven curriculum. Source: about 3 years ago