Ampeg or Mesa or Ashdown? 4 OHMS, OR 8 OHMS? Why-what is the end product difference? In 4 OHM selections... This is the ampeg I'm peepin'! NOTE-The Ashdown is more power, and 12 pounds lighter?! Ampeg BSE-410HLF 4x10" Bass Cabinet Features: * 4 - 10" woofers * High-frequency horn * 400W RMS, 800W program power handling * Front-shelf port for thunderous low-end response Ampeg BSE-410HLF 4x10" Bass Cabinet Specifications: * Impedance: 4 ohms * Crossover frequency: 4kHz * Frequency response: 50Hz-18kHz * 400W RMS, 800W program power handling * Sensitivity: 99dB * 22-3/4"W x 25-3/4"H x 17-1/2"D * 91 lbs. OORRRR........... Ashdown ABM 414T 4X10" Bass Speaker Cabinet with Tweeter Features: * 600W continuous, 900W program power handling * 4 - 10" BlueLine speakers * High-frequency tweeter * High-grade birch plywood construction * Buffalo leather cloth covering * Chromed metal corners * Metal handles Ashdown ABM 414T 4X10" Bass Speaker Cabinet with Tweeter Specifications: * Power handling: 600W continuous, 900W program * 4-ohm impedance * Frequency Response: 70Hz-20kHz * SPL: 103dB 1W@1m * 24"W x 26"H x 16-1/2"D * 79 lbs.