PA 660.4
Product Support

PA 660.4

High performance 4-channel mobile audio amplifier

Technical Specifications

Overall

  • Total Pieces
    1

Shipping Cartons

  • Carton 1
    14.5" (36.83 cm) h x 11.75" (29.85 cm) w x 17.25" (43.82 cm) d - 30 lbs (13.61 kg)

4-Channel Mobile Audio Amplifier

  • Qty Included
    1
  • Height
    2" (5.08 cm)
  • Width
    13.25" (33.66 cm)
  • Depth
    8.125" (20.64 cm)
  • Weight
    7.6 lbs (3.45 kg)

Amplifier

  • 12V and Ground Cable Gauge
    4 AWG
  • Channel Notes
    4 Channel Bridgeable Class AB MOSFET
  • Signal-to-noise
    75 dB(a)
  • Subsonic Filter
    10 Hz → 30 Hz
  • Bass Boost Characteristics
    Variable (0dB to +8dB) Hz
  • Total Dynamic Power
    600 watts
  • Distortion at Rated Power
    0.9 %
  • Minimum Impedance Bridged
    4 ohms
  • Minimum Impedance Not Bridged
    2 ohms
  • High Pass Filter - Filter Slope
    12dB/oct
  • Low Pass Filter - Filter Slope
    12dB/oct
  • Low Pass Filter - Effective Damping Factor
    >100
  • Low Pass Filter - Max Sensitivity
    250mV-5V (rear) dB
  • RMS Power at 14.4V: Watts per channel NOT bridged @ 1 kHz
    4 ohms / 75 watts or 2 ohms / 85 watts
  • RMS Power at 14.4V: Watts per channel bridged
    4 ohms / 200 watts
  • Dynamic Power at 14.4V: Watts per channel NOT bridged @ 1 kHz
    4 ohms / 150 Watts or 2 ohms / 170 watts
  • Dynamic Power at 14.4V: Watts per channel bridged
    4 ohms / 300 watts

Warranty

  • Warranty if Purchased by a Polk Audio Authorized Dealer
    1 Year
  • Warranty if Purchased and Installed by a Polk Audio Authorized Dealer (Must be the same dealer)
    2 Years