It looks like [these](https://www.adafruit.com/product/3694?gad_source=1&gclid=CjwKCAjw7-SvBhB6EiwAwYdCAb6H9JF6JIDsmGEhR_Y9IpmsaeCAZA63tMDOVl1FkMU0ZVhIvI6cPhoCj5kQAvD_BwE) could be cut down:  It would make for more simple amplifier maintanence.