Garage
Shop

See all parts that fit your 2012 C70

Kicker SI21

1 Meter (3.3 ft.) 2-Channel RCA Interconnect Cables 05SI21

Kicker
Shop all Kicker
highlight-star-icon

2-Channel S-Series RCA Cables • Dual Twisted Pair Hyper-Flex Technology • Silver-Tinned Oxygen Free Copper Conductors • Tactile Grip Duo-Molded connectors

Learn more about the 05si21

Good news and a little bad...

This item has been discontinued

But you may be interested in the newest model that's available.

46qi21 thumbnail

Kicker QI21 (46QI21)

OUR PRICE: $29.99

View item

Loading...
Limited time!
46CSC654 main

Kicker CSC65 (46CSC654)

600W Peak (200W RMS) 6.5” CS Series 2 Way Coaxial 4-ohm Speakers

122
-33.36%

$79.96

List price $119.99

43DSC6504 main

Kicker DSC650 (43DSC6504)

480W Peak (120W RMS) 6.5” DS Series 2-way 4-ohm Coaxial Car Speakers (DSC6504)

28
-10.53%

$84.99

List price $94.99

DB652 main

Polk Audio DB652 (DB 652)

600W Peak (200W RMS) 6.5" DB+ Series 2 Way Coaxial 4-ohm Car, Marine and Powersports Speakers

12
-9.16%

$109.00

List price $119.99

Limited time!
Club 622 main

JBL Club 622

360W Peak (120W RMS) 6.5" Club Series 2-way Coaxial 3-ohm Speakers

5
-28.58%

$99.95

List price $139.95

MPK 163.3 main

Hertz MPK163.3

600W Peak (300W RMS) 6.5" Mille PRO Series 3-way 4-ohm Component Speaker System

2
-14.89%

$999.99

List price $1175.00

PNW-65CS2 main

AudioControl PNW-65CS2

250W Peak (200W RMS) 6.5″ PNW Series 2 Way Component 3-ohm Speakers

4
-5.90%

$319.00

List price $339.00

NSP65 main

NVX NSP65

540W Peak (180W RMS) 6.5" N-Series 2 Way Coaxial Car Speakers

93
-35.19%

$69.99

List price $107.99

Club 620F main

JBL Club 620F (SPKCB620FAM)

330W Peak (110W RMS) 6.5" Club Series 2-way 3-ohm Shallow Mount Coaxial Car Speakers

2
-38.48%

$79.95

List price $129.95

PH654 main

Cerwin-Vega PH654

600W Peak (300W RMS) 6.5" PRO Series Full Range Coaxial 4-ohm Speakers

2
-16.67%

$189.99

List price $227.99

XED62 main

Cerwin-Vega XED62

600W Peak (70W RMS) 6.5" XED Series 2-Way Coaxial 4-ohm Speakers

15
-16.67%

$49.99

List price $59.99

Description


Kicker brand icon

Authorized dealer

  • 2-Channel S-Series RCA Cables
  • Dual Twisted Pair Hyper-Flex Technology
  • Silver-Tinned Oxygen Free Copper Conductors
  • Machined 6-cut k-cut RCA connectors
  • matte gold-plated, dual-split center pin
  • Tactile Grip Duo-Molded connectors: Tell channels apart by touch (left channel is smooth, right channel has bumps)
  • Authorized Internet Dealer
  • 1-year Manufacturer's warranty
  • Self-Adhesive Kicker Logo Badge Included!

Due to discounted shipping, item will ship without blister pack so it can stay within USPS First Class Mail weight restrictions.

Product history:

Kicker QI21 thumbnail
(newest, current model)
Kicker QI21-2 thumbnail
(previous model, replaced by Kicker QI21 (46QI21))
Kicker 09XI21 thumbnail
(previous model, replaced by Kicker QI21 2-Channel Q-Series Audio RCA Interconnect Cable)
Kicker SI21 thumbnail
(previous model, replaced by Kicker XI21 (09XI21))

Best selling similar products

XIV25 small

NVX XIV25

• Shielded noise-rejecting Twisted-pair construction
• Heavy gauge OFC conductors ensure superior sound quality
• Split-tip Silver-Plated ends offer best in class signal transfer
• Molded ends equipped with colored channel identifiers

(43)

$12.99

List price $18.99

SI4617 small

Stinger SI4617

• 6-Channel 4000 Series RCA Interconnect Cables
• 17 ft. (5.1 meter) Cables
• Stinger Audiophile Grade
• Twisted Pair Construction
• Perfect for 5-Channel Amplifiers
• Durable

(14)

$41.99

List price $49.00

XIV65 small

NVX XIV65

• Shielded noise-rejecting Twisted-pair construction
• Heavy gauge OFC conductors ensure superior sound quality
• Split-tip Silver-Plated ends offer best in class signal transfer
• Molded ends equipped with colored channel identifiers

(25)

$29.99

List price $49.99

SI421.5 small

Stinger SI421.5

• 2-Channel 4000 Series RCA Interconnect Cable
• 1-1/2 ft. Cable Length
• Stinger Audiophile Grade
• Twisted Pair Construction
• Clear Protective Jacket
• Compact Connector Design
• Split-Tip Connector

(14)

$9.99

List price $19.00

XIV205 small

NVX XIV205

• Shielded noise-rejecting Twisted-pair construction
• Heavy gauge OFC conductors ensure superior sound quality
• Split-tip Silver-Plated ends offer best in class signal transfer
• Molded ends equipped with colored channel identifiers

(18)

$7.99

List price $10.99

KISL small

Kicker KISL (46KISL)

• 2-Channel Speaker to RCA Cable
• Split-Pin RCAs
• 16 Gauge Speaker Wire to RCA
• K-Grip Line & K-Grip Connectors
• Ergonomic Design • 2 Feet

(2)

$13.45

List price $19.99

XD-CLRAIC2-SW small

JL Audio XD-CLRAIC2-SW Speaker Wire to RCA Cable

• 2-Channel Speaker Wire to RCA Adaptor for High-Level Signal Connection to Amplifiers
• Left and Right Channel Male RCA Plugs to Parallel Speaker Cable
• Satin Black Jacket

(9)

$19.99

List price $19.99

XIV45 small

NVX XIV45

• Shielded noise-rejecting Twisted-pair construction
• Heavy gauge OFC conductors ensure superior sound quality
• Split-tip Silver-Plated ends offer best in class signal transfer
• Molded ends equipped with colored channel identifiers

(27)

$16.99

List price $29.99

XIX25 small

NVX XIX25

• Shielded noise-rejecting double Twisted-pair construction
• Heavy gauge OFC conductors ensure superior sound quality
• Split-tip Silver-Plated ends offer best in class signal transfer
• Precision Machined “Locking” ends with colored channel identifiers
• Black nylon protective jacket minimizes friction and electromagnetic interference

(24)

$19.99

List price $29.99

SI823 small

Stinger SI823

• 2-Channel 8000 Series RCA Interconnect Cable
• 3 ft. Cable Length
• Stinger Audiophile Grade
• Double Twisted Pair Construction
• Black Protective Jacket
• Triple Braided Shielding
• Locking Split-Tip Connectors
• Molded Strain Reliefs

(11)

$34.99

List price $69.00

Specifications & Details


RCA Interconnect Cable Specifications
Wire / Cable Type
RCA Interconnect Cable
RCA Interconnect Cable Use
Audio
Number of RCA Channels
2
Twisted Pair Wire
Yes
Length (ft.)
3.3 feet
Primary Color
Blue
Secondary Color
Gray
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

SI21

Weight:

0.35lbs

Internal SKU:

05si21

Internal Product ID:

3907

Customer Ratings & Reviews


Kicker SI21 thumbnail image

5 star
100%
4 star
0%
3 star
0%
2 star
0%
1 star
0%



Durability
5
Value
5
Features
5
Design
5
Usability
4.7

Customer Reviews

Sort by:

Loading...

very nice

it was good, cheap, and fast to get here. great deal

By marv on January 12, 2010

16 found this helpful


Exactly what I needed

Those little bumps on one channel are really handy.

By Michael on April 18, 2010

15 found this helpful


Great product!

Very good product! and very good service.

By Joey on September 28, 2009

15 found this helpful



ZX1500.1 small

Kicker ZX1500.1

06ZX1500.1 ZX Series Class D Monoblock Amplifier

(29)

$439.98

List price $1199.99

MA800XL small

** CLOSEOUT! ** MA Audio MA800XL

8" Dual 4 ohms Subwoofer

(4)

$49.99

List price $135.99

SIR-PNR2 small

SIRIUS SIR-PNR2

Pioneer Compatible SIRIUS Satellite Radio Tuner + Antenna for Pioneer Stereos by Directed Electronics

(2)

$104.99

List price $99.99

RC200.4A small

RCA RC200.4A

800W Max, 4-Channel Amplifier

(2)

$99.99

List price $249.99

ZX300.1 small

Kicker ZX300.1

06ZX300.1 ZX Series Class A/B Monoblock Amplifier

(9)

$179.95

List price $229.99

ADCR-50-PTH small

Audiovox ADCR-50-PTH

Universal G2 iPod/iPhone Cradle with 6 Interchangeable Holders

(1)

$49.99

List price $69.99

PZi-100.4 small

Crunch PZi 100.4

600W Max, 4-Channel PowerZone Amplifier (PZi100.4)

(3)

$69.99

List price $199.99

HD4300 small

EFX HD4300 by Scosche

800W Max, 4-Channel Amplifier (HD-4300)

(1)

$169.99

List price $239.99

REN1100S small

Renegade REN1100S

1100W, 4 Channel Renegade Power Amplifier

(4)

$74.95

List price $179.95

Related Searches


Save up to 10 different vehicles in your garage
Vehicle
Store
Delete

2012 Volvo C70

2002 BMW X5

1984 Ford Thunderbird

2001 Kia Sephia

2011 Ram Dakota

1985 Buick Skyhawk

2005 Mercury Sable

2008 Ford Ranger

Add vehicle Clear all vehicles
Where to find vehicle info
Are you sure you want to clear your garage?
This action cannot be undone. Confirm
This page was not designed for products.
If you continue, you will be redirected to a category customized for your vehicle. Continue
Loading...
Identify your vehicle and submodel details
  • Owner's manual
  • Vehicle's insurance card
  • Vehicle registration
  • Vehicle produced after 2005: Inside driver's side door
  • Vehicle produced before 2005: Rear passenger doorjamb, glove box, center console, or engine compartment
Car Info Side Door Icon
Vehicle Registration Icon
Vehicle Insurance Icon

Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

  • You see only parts engineered for your exact vehicle
  • You avoid incompatible radios, speakers, or wiring
  • Installation is smoother, faster, and frustration-free
  • You get the correct accessories the first time

Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.