Amazon.com: Juried Engineering LF347N LF347 Quad High Speed JFET-Input Operational Amplifier Op Amp Breadboard-Friendly IC DIP-14 (1 Piece) : Industrial & Scientific
Amazon.com: NOAM NUTV4 Quad - 4 Channels Marine Bluetooth ATV/Golf Cart/UTV Speakers Stereo System : Automotive
Amazon.com: Alpine Bundle Compatible with 2002-2018 Dodge Ram Quad or Crew Truck S-W12D2 Dual 12" Loaded Sub Box Enclosure with HA-A800.1 Amplifier and HA-AK4 4 Gauge Amp Install Kit : Electronics
Amazon.com: Alpine Type S Bundle Compatible with 2002-15 Dodge Ram Quad/Crew Truck S-W10D4 Single 10" Rhino Coated Sub Box Enclosure with S-A60M Amplifier and 4 GA Amp Wiring Kit : Electronics
Amazon.com: Waterproof Off-Road Speakers with Amplifier - 5.25 Inch 1000W 2-Channel Outdoor Marine Waketower Speakers Full Range for ATV UTV Quad Jeep Boat - Pyle PLUTV52CH : Everything Else
Amazon.com: GoHawk TN4-SX 2.1 Channel Amplifier 5" Subwoofer 4.5" Full Range Waterproof Bluetooth ATV RZR UTV Stereo 3 Speakers Audio Amp Radio System 1.5 to 2" Roll-cage Bar Mount Yamaha Polaris Can-Am
Compatible with 2002-2018 Dodge Ram Quad or Crew Kicker Bundle Comp C10 Dual 10" Rhino Coated Sub Box Harmony HA-A800.1 Amp : Electronics - Amazon.com
Amazon.com: GoHawk AN4-QX All-in-One 1200W Built-in Amplifier 4.5" Waterproof Bluetooth Motorcycle Stereo 4 Speakers Audio Amp System AUX for 1-1.25" Ape-Hanger Handlebar Harley CVO Touring Cruiser Custom : Automotive
Amazon.com: Soundstream Stealth Quad Shot ST4.500D 4 x 25W RMS at 4 Ohms Micro Class D 4 Channel Amplifier 500W Max : Electronics
Cutler Hammer, br430 BR, 230-230 Amp, QUAD Pole, 240 Volt, Molded Case Circuit Breakers from Eaton / Cutler-Hammer / Westinghouse/Challenger/Bryant - Thermal Magnetic Circuit Breakers - Amazon .com
Amazon.com: Compatible with 2002-2015 Dodge Ram Quad or Crew Truck Alpine Type S S-W12D2 Dual 12" Sub Box Enclosure with S-A60M Amplifier & 4GA Amp Kit : Electronics
Amazon.com: Compatible with 2002-2018 Dodge Ram Quad/Crew Truck Kicker Bundle Comp C10 Single 10" Sub Box Enclosure & Harmony HA-A400.1 Amp : Electronics