Amplifier Kits
amplifier kits — pre-owned
Browse 304 amplifier kits — pre-owned on eBay — listings updated every few minutes. All items are pre-owned and sold by eBay sellers directly.

Rockville RWK41 4 Gauge Complete Car Amp Wiring Installation Wire Kit w/RCA's
Rockville RWK41 4 Gauge 2 Channel Complete Car Amplifier Installation Kit With A Set of High Grade Twisted Pair RCA Cables. Video of RWK41 UnboxingVideo for RWK41 Item Code: RWK41 U. Products go through months of extensive testing before they reach your hands.
You save $88.73

Skar Audio SKM4GAOFC 4 Gauge Marine Grade OFC Amplifier Wiring Kit
Constructed using 99.99% Oxygen Free Copper (OFC) conductors, this kit provides exceptional current flow with minimal resistance, ensuring optimal efficiency and consistent amplifier performance. Rated to support audio systems up to 1,500 watts, the SKM4GAOFC wiring kit is ideal for high-power marine amplifiers, powersports applications, and performance-focused electrical installations.
You save $92.50

Sky High Car Audio E-Series 1/0 AWG Big 3 Kit SHCA-B30E-R Single Type
Sky High Car Audio E-Series 1/0 AWG Big 3 Kit SHCA-B30E-R Single Type

DS18 AKIT8.GR 8-GA Amplifier Installation Wiring Kit - Amp Kit - Green
DS18 AKIT8. DS18’s AKIT8 is your all-in-one solution for installing high-performance amplifiers the right way—no shortcuts, no weak links. Designed to handle serious current, the AKIT8 supports amplifiers pushing up to 840W MAX.

DS18 AMPKIT4 – 4GA CCA Installation Kit for Car Audio Amplifiers Amp Cables
DS18 JP6 Dash Enclosure Upgrade with 6" Neo Mid-Range for Jeep JL/JLU and JT. DS18 MP.4A Marine & Powersports 4 Channel Amplifier Digital Stereo Full Range. DS18 SQBASSx2 7x9 UnderSeat Amplified Subwoofer with a 4x6 Radiator.

Kicker 46PKD1 Car Audio 1/0 Gauge OFC Dual Amp Amplifier Install Kit PKD1 New
Fuse Holders. Crafted from 100% oxygen-free copper, it ensures maximum power transfer and minimal signal loss for peak performance. 1/0 Gauge Power Amplifier Installation Kit. 18-22 AWG Red butt connector.

Kicker 46CK8 Car Audio 8 Gauge 2 Channel - Mono Amp Amplifier Install Kit CK8
Crafted with 100% oxygen-free copper wiring, this kit ensures pure, uninterrupted power transfer for peak system performance. - Fuse Holders. Complete 8 Gauge OFC K-Series 2-Channel Amplifier Installation Kit.

Rockville RWK10 10 Gauge Amp Installation Kit ANL Fuse Holder 100% Copper RCA
Rockville RWK10 10 Gauge 2 Channel Complete Car Amplifier Installation Kit With a Set of 100% Copper RCA Cables and ANL Fuse Holder. Rockville RWK10 10 Gauge 2 Channel Car Amplifier Wiring Installation Kit.
You save $25.04

DS18 AKIT0.PU 0-GA Amplifier Installation Wiring Kit - Purple
Unleash the full power of your amp with the DS18 AKIT0.PU 0-GA Power Install Kit. Built for serious audio enthusiasts, this kit handles up to 3000W and includes ultra-flex premium cables, a heavy-duty 250A ANL fuse, and everything you need for a clean, high-performance install.

Kicker 46CK4 Car Audio 4 Gauge 2 Channel - Mono Amp Amplifier Install Kit CK4
Complete with all necessary wiring, connectors, and mounting hardware, this kit is perfect for car audio enthusiasts who demand reliability and quality. Whether you're upgrading or installing a new system, the Kicker CK-Series makes setup simple and secure.

DS18 PW-OFC1/0GA-5BK/20RD OFC 0 Gauge Ultra Flex Power Amplifier Wiring Kit
DS18 VLKH13S - Slim Size LED Conversion Kit (H13). All New DS18 products are sold with a 1-Year Limited Manufacturer Defect Warranty. DS18 PRO-GRILL10/GR Universal 10" Speaker Grill Cover - Green (Pair).

DS18 AKIT0.GR 0-GA Amplifier Installation Wiring Kit - Green
Unleash the full power of your amp with the DS18 AKIT0.GR 0-GA Power Install Kit. Built for serious audio enthusiasts, this kit handles up to 3000W and includes ultra-flex premium cables, a heavy-duty 250A ANL fuse, and everything you need for a clean, high-performance install.

JBL BassPro Go Second Vehicle Detachable Base Car Accessory Kit for BASSPROGO
JBL BassPro Go Car Kit - Accessory Car Kit for Moving Your BassPro Go from Vehicle-to-Vehicle, Detachable mounting Base & Quick Disconnect Harness, Seamless Listening Experience. The detachable mounting base allows removal of your speaker and disconnect wiring harness allows connection to your vehicle.

Skar Audio SKM8GAOFC 8 Gauge Marine Grade OFC Amplifier Wiring Kit
Designed using 99.99% Oxygen Free Copper (OFC) conductors, this kit ensures maximum current flow, minimal resistance, and superior efficiency—allowing your amplifier to perform at its full potential.
You save $65.00

DS18 HYDRO MOFCKIT8 Marine Tinned 100% Copper OFC Amplifier Installation Kit 8-G
High quality wiring at it's best! OFC stands for oxygen free cooper which is the standard in wiring for the audio world. Stronger, more conductive, and corrosion resistant are the main benefits of our OFC kits.

DS18 AKIT0.RD 0-GA Amplifier Installation Wiring Kit - Red
Unleash the full power of your amp with the DS18 AKIT0.RD 0-GA Power Install Kit. Built for serious audio enthusiasts, this kit handles up to 3000W and includes ultra-flex premium cables, a heavy-duty 250A ANL fuse, and everything you need for a clean, high-performance install.

DS18 Harley Davidson Touring Plug + Play Harness For Amplifier Kit RY-Harness.HD
DS18 RY-Harness. HD Harley Davidson Plug And Play Harness For Amplifier Kit. Revolutionize your Harley Davidson Touring Bike's sound system with DS18's RY-HARNESS. Designed for Harley Davidson Touring Bike models from 2014 onwards, the RY-HARNESS.

Kicker 46PK4 Car Audio 4 Gauge Oxygen Free Copper Amp Amplifier Install Kit PK4
Empty Sub Boxes. - Fuse Holders. Designed for superior conductivity, it includes premium oxygen-free copper wiring to ensure pure, uninterrupted power transfer to your amplifier. 4 Gauge OFC Power Amplifier Installation Kit.

DS18 AMPKIT8 – 8GA CCA Installation Kit for Car Audio Amplifiers
Have everything you need to easily hook up your amplifier with this installation kit by DS18. 6 ft. 8GA Loom Tube. DS18 DB1024 0 Gauge to 4 gauge Outputs Set Screw Ground Distribution Block AWG. DS18 PRO-X8.4BM 8" Car Speaker with Bullet Mid-Range Loudspeaker 550 Watts 4-Ohm.

Rockford Fosgate HD14-SBSUB 2014+ Harley-Davidson® Dual 10" Saddlebag Subwoof...
When you want that next level audio performance on your 2014 or newer Harley-Davidson motorcycle, our all new 2014+ subwoofer kits … reinvent the ride. Designed and engineered for easy integration and superior flexibility, the 800 watt, dual 10-inch subwoofer kit is built for true motorcycle, on-road performance. The plug-and-play design paired with freeway speed output create the best in class on-bike, bass experience. This subwoofer system was designed to work with your Rockford Fosgate aftermarket audio system. This kit is designed to work with select 2014+ Electra Glide®, Road Glide®, Street Glide® models.

Road Gear RG1 150 Watt Amplifier Kit *FREE SHIPPING*
If we say the item works, then it was tested to the best of our ability. We have listed all model information that we have available.

Vintage SF San Fu Model 506 "Sirens 3" Tone Controller - 12V 80s/90s Retro Car
Known for its distinct "FBI" tone, this unit was the gold standard for novelty sirens of its era. Model: 506. Manufacturer: SF (San Fu - Made in Taiwan). SLOW: A traditional slow-rising and falling "Wail" tone.

Crutchfield Amp Wiring Kit 4 gauge
This wiring kit does not include RCA patch cables or speaker wire. This Crutchfield wiring kit was designed to accommodate the energy demands of a Class AB amplifier with a total output of up to 700 watts RMS, or a Class D amp with up to 1,100 watts RMS output.
You save $15.95

Kicker 46CK4 K Series 4-AWG Amp Kit w/2Ch RCA - Used Very Good
KICKER® complete amp kits feature top-quality Hyper-Flex power, ground and turn-on cables. K Series speaker wire and interconnects are also included, as is a heavy-duty AFS fuse holder and fusing. Insulated crimp connectors and zip ties come in the kit as well. 4AWG 2-Channel Amp Kit This Complete Four Gauge Amp Kit comes complete with Full Spec wire, hardware, fusing and signal cable. Hooking up your amplifier is easy with this complete amp kit.

Kicker 46PKD1 Car Audio 1/0 Gauge OFC Dual Amp Amplifier Install Kit PKD1 Used
Kicker 46PKD1 Car Audio 1/0 Gauge OFC Dual Amp Amplifier Install Kit PKD1 Used Kicker 46PKD1 Car Audio 1/0 Gauge OFC Dual Amp Amplifier Install Kit PKD1. - Fuse Holders. 1/0 Gauge Power Amplifier Installation Kit.

Kicker 46PK8 Car Audio 8 Gauge Oxygen Free Copper Amp Amplifier Install Kit Used
Kicker 46PK8 Car Audio 8 Gauge Oxygen Free Copper Amp Amplifier Install Kit Used Kicker 46PK8 Car Audio 8 Gauge Oxygen Free Copper Amp Amplifier Install Kit PK8. - Empty Sub Boxes. - Fuse Holders. 8 Gauge OFC Power Amplifier Installation Kit.

Kicker 46PK4 Car Audio 4 Gauge Oxygen Free Copper Amp Amplifier Install Kit Used
Kicker 46PK4 Car Audio 4 Gauge Oxygen Free Copper Amp Amplifier Install Kit Used Kicker 46PK4 Car Audio 4 Gauge Oxygen Free Copper Amp Amplifier Install Kit PK4. - Empty Sub Boxes. - Fuse Holders. 4 Gauge OFC Power Amplifier Installation Kit.

Scosche LOC2SL Car Stereo Amplifier Line Out Converter
The Scosche LOC2SL Car Stereo Amplifier Line Out Converter is a product designed to enhance the audio experience in your car by converting the audio signal from your car stereo to a higher quality output for your amplifier.

Wilson Electronics SignalBoost HD Solo Cellular Amplifier Dual Band 800/1900MHz
The product is pre-owned (second-hand) or has been modified from the original condition as sold by the manufacturer. Model: SignalBoost HD Solo. Pick up procedure is as follows The Extra-Terrestrial Movie Trading Cards.

Audiopipe PK-2150X 2150W 4 AWG Gauge Amplifier Installation Kit Car Audio Wiring
Especially if it arrives broken, defective, or not to your liking in any way.

BMW 3 Series E91 Antenna Diversity Amplifier 9193841 65209193841

DS18 HYDRO MOFCKIT4 Marine Tinned 100% Copper OFC Amplifier
High quality wiring at it's best! OFC stands for oxygen free cooper which is the standard in wiring for the audio world. Stronger, more conductive, and corrosion resistant are the main benefits of our OFC kits.

Kicker 46PKD4 Car Audio 4 Gauge OFC Dual Amp Amplifier Install Kit PKD4 New
Kicker 46PKD4 Car Audio 4 Gauge OFC Dual Amp Amplifier Install Kit PKD4 New Kicker 46PKD4 Car Audio 4 Gauge OFC Dual Amp Amplifier Install Kit PKD4 New. - Fuse Holders. 4 Gauge Power Amplifier Installation Kit.

Crutchfield CK8 8 gauge Car Amplifier Wiring Kit
This wiring kit does not include RCA patch cables or speaker wire. This Crutchfield wiring kit was designed to accommodate the energy demands of a Class AB amplifier with a total output of up to 420 watts RMS, or a Class D amp with up to 650 watts RMS output.

pkg FOCAL PK21 4 GAUGE COMPLETE CAR AMPLIFIER WIRING INSTALL KIT + PR5 RCA WIRE
PK21 + PR5 - Focal 4 Gauge Amplifier Kit + 16.5" RCA Wire. (2) RCA cables (PR5): 5m (2 x 90° plugs and 2 straight plugs). “All in one” solution (amplifier and speakers). Fuse box: gold-plated, mounted with 80A fuse.

Kicker CK8 8 Gauge OFC CK-Series 2-Channel Amplifier Installation Kit (Used)
This Kicker 8 Gauge Power Amplifier Wiring Kit includes all the necessary hardware and wire to power one amplifier and is designed specifically for car audio systems up to 1000 watts. The included premium power/ground cable is made from 100% oxygen-free copper and is true-to-gauge for ultimate power transfer. This CK8 power amp kit includes 17-feet of 8 Gauge matte blue power cable, 2-feet of 8 Gauge matte gray ground cable, 17-feet of 16 Gauge silver remote turn-on wire, 2-channel RCA cable, AFS/Mini-ANL Fuse holder, 60 Amp fuse and more.
You save $18.50

Kicker 46PKD1 PKD1 1/0AWG Dual Amp Power Kit - Open Box
Kicker 46PKD1 PKD1 1/0AWG Dual Amplifier Power Kit - Power, Ground, Distribution Block, Remote Wire and Fuse Block. KICKER amp power kits feature top-quality Hyper-Flex™ power, ground and turn-on cables. A heavy-duty AFS fuse holder, fuse, terminals and zip ties come in the kit as well. One additional year of amplifier warranty is included if purchased with a KICKER amp. P-Series PKD1 1/0AWG Dual Amplifier Wiring Kit This 1/0 Gauge Amp Kit comes complete with Full Spec wire, hardware, distribution block and fusing.

Rockford Fosgate Car Audio Circuit Breaker Replacement Cover Part
Rockford Fosgate Circuit Breaker replacement cover part. "Cover only. No Breaker." It measures about 2" long and the openings for the wire are about 5/8" diameter. It is from the 200 amp breaker. I had to replace my breaker, it actually went bad. I bought a new one and figured i try sell this part from the old one. It is in great condition.

Rca And Amp Install Kit
Rca And Amp Install Kit. Condition is Used. Shipped with USPS Priority Mail. Simple kit don’t need it anymore not sure lengths and the box is reused for these pets doesn’t reflect what’s supposed to come with it

Metra - BY-AK8P - 8AWG Complete Amp Kit - Multi
Anymajor imperfections will always beclearly noted or shown in photos.
You save $54.67