Tech Specs Home > Amp Ratings

The following chart gives the minimum impedance capability of the Quantum Audio amplifiers. To learn more on calculating impedance when using multiple drivers please see our speaker impedance section.

Caution! Running the amplifiers at lower than the impedance listed below will cause damage to the amplifier.


Amplifier Impedance Specifications

Model
Stereo
Bridged/Mono
QS2150
2 Ohm
4 Ohm
QS4150
2 Ohm
4 Ohm
QS2250
2 Ohm
4 Ohm
QS4250
2 Ohm
4 Ohm
QS1500D
N/A
2 Ohm