Welcome visitor you can login or create an account.

Phoenix Gold Sx Series 1200W Mono-Block Amplifier

Product viewed: 980

Phoenix Gold Sx Series 1200W Mono-Block Amplifier

Reproduce the full dynamic impact of each bass note, and deliver clear, articulate bass through your subwoofers with maximum power and efficiency. SX2 1200.1 monoblock subwoofer amplifier drives 1200 watts into 1 ohm.

  • Class D Topology
  • Power Rating:  600w x 1 Channel @ 4 ohm, 900w x 1 Channel @ 2 ohm, 1200w x 1 Channel @ 1 ohm
  • Dimensions: 17.25” L x 8.25” W x 2” H - 439mm L x 210mm W x 51mm H


Premium Build Quality for Ultra Performance

  • Legendary Phoenix Gold massive unregulated power supply built for dynamic headroom and to drive low 1ohm impedance loads
  • Audio Precision Quality Control Verification


Chassis Features

  • Master/Slave strappable for huge power and multi-amp setups
  • RMD port allows you to add a remote monitoring display, giving you a visual of the voltage of your system
  • Double tier power supplies with OTM Onboard Thermal Management
  • Remote bass and phase controller with Bass Shift® (RBPC)
  • Switchable balanced or unbalanced inputs
  • Auto-turn on circuit (defeatable)
  • Tri-light LED amplifier status indicators with short circuit, thermal and voltage protection
  • Front mount controls and connections
  • RCA pass-through outputs


Total Control of Your Music Output

Variable filters on each channel allow you to fine tune your musical output to the precision you demand. All crossovers feature aluminum shaft precision potentiometers for exact crossover frequency selection.

  • Low Pass Crossover Range of 40Hz to 240Hz, you get quality lower bass
  • Subsonic Crossover Range of 10Hz to 120Hz to eliminate unwanted ultra low frequencies, improving the efficiency of your subwoofer
  • Bass Boost 0 to +6dB at 40Hz
  • Variable phase output can be adjusted 0 to 180 degrees. This adjustment can help achieve better “up front” bass, by enhancing your sub bass and mid bass transition and resolve subwoofer cancellation problems in certain installations.  Resulting in tight, articulate bass that blends perfectly into the rest of your audio experience



Frequency Response

± 6dB from 11Hz to 250Hz

Signal to Noise Ratio


Low Pass Crossover

12dB per Octave

Subsonic Filter

12dB per Octave

Low Pass Crossover Range

40Hz to 240Hz

Subsonic Crossover Range

10Hz to 120Hz

Bass Boost @ 40Hz

0 to +6dB

Low Level Input Range

300 millivolts to 8V unbalanced

Lowest Recommended Load

1 ohm

Typical Efficiency


Damping Factor

Greater than 200

Variable Phase Adjustment

0 to 180 Degrees

RMS Power Output

600w x 1 @ 4 ohm

900w x 1 @ 2 ohm


1200w x 1 @ 1 ohm 


Recommend Power Wire Fuse: 80A

Power/Ground Wire Size: 4GA

Write a review

Your Name:

Your Review: Note: HTML is not translated!

Rating: Bad           Good

Enter the code in the box below:

Related Products