The QS Series amplifiers are designed for mids and highs applications, to power high power stuntwalls, custom door panels or any large system that requires clearer, louder sound for PRO Audio loudspeakers.
The QS9000 features a regulated power supply that is able to constantly deliver power and provides an unsurpassed efficiency rate of 75–85% in an aluminum heatsink.
Looking for a bass amplifier? You may want to consider the RS Series if you need a SPL bass amplifier that delivers a constant deep bass response.

| Channels | 1 Channel |
| Rated RMS Power at 14.0 V at 1 Ohm | 9000 Watts |
| Rated RMS Power at 14.0 V at 2 Ohm | 6400 Watts |

High Power Amplifier for your custom car audio system. The QS Series brings the best Full Range HD Sound for clearer, louder sound for PRO Audio loudspeakers
The Perfect amplifier for 8x 12” loudspeakers – QS9000 at 1 Ohm Stable, also available at 2 Ohm.
Its wide frequency response allows you to use it in many different applications, such as woofers, midbass, midrange speakers, among others. This amplifier is the perfect solution for large car audio systems.

Built-in HIGH and LOW pass filters allow the user to set the right frequency range for his equipment, from deep bass all the way to high frequencies.
Premium tiffany style RCA inputs ensure a more secure and tight connection, preventing any vibration problems.
This proprietary heat dissipation design will ensure a high air flow cooling fans controls its temperature to run cool on the most demanding playlists.

The LED indicator is a simple built-in tool that allows you to easily monitor the status of your amplifier while it is in use.
Its clipping indicator flashes at the limit of its maximum power output without any distortion, providing excellent sound performance while giving you the best value! All are protected by four-stage intelligent protection circuitry.
Popular Installation configurations with this amplifier:
Its high power output channel allows you to install 8x 8 Ohm Speakers in parallel at 1 Ohm, giving up to 1125 watts per component.

| Impedance | 1 Ohm |
| Channels | 1 Channel |
| Rated RMS Power at 14.0 V at 1 Ohm | 9000 Watts |
| Rated RMS Power at 14.0 V at 2 Ohm | 6400 Watts |
| Average Efficiency | 77% |
| Operating Voltage | 9 to 16 Volts |
| Musical Current Draw | 480 A |
| Minimum Power Wire Input | (OFC) 0 Gauge |
| Protection Fuse or Circuit Breaker | 500 Amps |
| Minimum Speaker Wire Output | Dual 12 Gauge |
| Frequency Response(-3dB) | 20 – 15,000 Hz |
| Min. Input Sensitivity for Max. Output | 200 mV |
| Signal Input | 1 Pair RCA |
| Signal to Noise | >90 dB |
| Protection System | Low & High Supply Voltage / Shortage on Output / Low Impedance on Output |
| Heat Sink Type | Heavy Duty Cast Aluminum |
| Dimensions ( W x D x H ) | 20″ x 10.25″ x 3″ |
| Weight | 16.30 Lbs |