Bestol 20PCS IC LM324N LM324 DIP14 Low Power Quad Op-Amp: Amazon.com: Industrial & Scientific
Amazon.com: Juried Engineering TL084CN TL084 Quad High Slew Rate JFET-Input Operational Amplifier Op-Amp IC Breadboard-Friendly DIP-14 (Pack of 10) : Industrial & Scientific
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
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: 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
Juried Engineering LM348N LM348 Quad High-gain Internally-Compensated 36V Operational Amplifier Op Amp Breadboard-Friendly IC DIP-14 (Pack of 5): Amazon.com: Industrial & Scientific
Amazon.com: NOAM NUTV5 Quad - Marine ATV/Golf Cart/UTV Stereo System kit – Including 4 Waterproof Tower Speakers, Weatherproof Controller/Head Unit with Bluetooth and AUX Input and Four Channels Amplifier : Automotive
Amazon.com: Morley Quad Box : Musical Instruments
Compatible with 02-15 Dodge Ram Quad or Crew Kicker Bundle Comp C10 Dual 10" Sub Box CXA800.1 Amp : Electronics - Amazon.com
Amazon.com: GoHawk AJ4 Gen.3 All-in-One Built-in Amplifier 4" Full Range Waterproof Bluetooth Motorcycle Stereo Speakers Audio Amp System w/AUX for 1 to 1-1/4 Bar Harley ATV RZR UTV Quad 4 Wheeler :
Square D - HOMT1515220CP Homeline 2-15-Amp Single-Pole 1-20-Amp Two-Pole Quad Circuit Breaker - Thermal Magnetic Circuit Breakers - Amazon.com
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 AN4-X Gen.2 All-in-One Built-in Amplifier 4.5" Full Range Waterproof Bluetooth Motorcycle Stereo Speakers Audio Amp System, 1 to 1-1/4" Ape-Hanger Handlebar Harley Custom Touring Cruiser Chrome : Automotive