Rythmik Audio E15SE Gloss Black Piano Finish with H600XLR3 Amp Upgrade

Rythmik Audio E15SE Subwoofer with gloss black piano finish and H600XLR3 amp upgrade. Item is in very good condition. There are some scratches (not deep) on the finish, but it is very difficult to get good pictures due to the gloss finish. The unit is operationally perfect.
Specifications: Frequency Response (Anechoic)

• 14 Hz - 90 Hz (-2dB @ 14 Hz)
  

Woofer

• 15" high excursion with custom sensing coil
  

Woofer Material

• Black anodized aluminium with rubber surround, Cast aluminium basket, Copper flux modulation shorting rings
  

Amplifier

• 600w RMS class H servo controlled
  

Dimensions (W x H x D)

• 17" x 19" x 19" - (20-1/2" D with grille)
  

Shipping Weight

• 104 lbs each
  

Crossover Slope

• Selectable 12 or 24 dB / octave
  

Crossover Range (Low Pass)

• Continuously variable 25 - 100 Hz
  

Rumble Filter (High Pass)

• 20 Hz 18 dB / octave
  

Phase Response

• 90 degrees phase shift at 20 Hz
  

Phase Adjustment

• 0 - 180 degrees continuously variable
  

Bass Damping Factor Settings

• High (Q=0.5), med (Q=0.7), and low (Q=1.1)
  

H600XLR3 Amp Specs: Output Power

• 600W RMS
  

Input Type

• RCA/XLR
  

Master control

• NO
  

High Pass Filter Output

• NO
  

LFE inputs

• RCA/XLR
  

Parametric EQ

• Defeatable one-band
  

Power amp inputs

• MOSFETs
  

12V Trigger input

• YES
  

Power filter caps

• 4x63V/18000uF