impedance

Hello guys, im looking for Bluetooth over ear headphones with high passive impedance. any suggestions? Thanks in advance. :)

I own a 500ohm Audio Technica ATR 1300 mic, and since I can't afford a decent soundcard now, I'm using a cheap USB soundcard to connect it to my laptop. (something like this...

First time here. I've been swinging between hi-fi and lo-fi for many years. Still swinging. Setting up my first surround system, on the cheap, with 2 sets of legacy speakers and the rest used purchases. I just need an active subwoofer to complete. Along the way, I picked up an incidental...

i have 2 dvc 2 ohm subs wired to 1/2 ohm. 750w rms ea. ..amp is 1 ohm stable. if i add a 1500w rms 4 ohm dvc wired to 2 ohm... will that balance work with amp? will power distribute evenly? or wil one thrive while others starve?

I own a yamaha yas-71 soundbar, quite old I'm having trouble identifying the right cable I'm looking at the port and online and nothing seems to fit to all you sound experts here I'm attaching a picture of the back side of the soundbar does this part supposed to hook with the subwoofer ? in the...

I have an old Sony Compact Disk Deck Receiver(SONY HCD-H550K). According to its amplifier spec, it produces 30+30w output per channel, a peak of 300 watts with speaker output impedance from 6-16ohms and its speakers spec only states its impedance which is at 6ohms(no wattage and other info). I...

Hi, I have a collection of questions. Some of which I've tried searching for with no success and others I may be able to find answers to. I thought since I'm asking for help anyway it wouldn't hurt lumping them all in together. I play gigs at pubs, local festivals etc but have been largely...