MMMM an Audio Multimeter with built in handheld amp dyno. Real world, real time wattage. All you need is your own load (aka speakers).
now available and in stock! http://www.wccaraudio.com/smd-products-29/smd-tools/smd-audio-multimeter/smd-audio-multimeter-amm-1.html EDIT: Now available on Amazon! click here http://www.amazon.com/SMD-Audio-Multi-Meter-Amplifier/dp/B00LNU1ELK/ref=sr_1_17?s=electronics&ie=UTF8&qid=1404967514&sr=1-17
all the things an audio guy NEEDS in a DMM without the stuff you DON'T need. The AMM-1...