Garage
Shop

See all parts that fit your 2008 A8 Quattro

Stinger SI42YF

2-Channel 4000 Series RCA Y-Adapter Cable (2 Female to 1 Male)

Stinger
Shop all Stinger
highlight-star-icon

2-Channel 4000 Series RCA Y-Adapter Cable • 2 Female to 1 Male • Stinger Audiophile Grade • Twisted Pair Construction • Clear Protective Jacket • Compact Connector Design • Split-Tip Connector

Learn more about the si42yf
Universal fit Icon

Universal – fits most vehicles.

Similar items | Update vehicle | Vehicle store
List price $19.00
Thanks , You Pay:
-58%

$7.99

 with warranty
4 payments of $2

Heads up

Your vehicle can use this product in multiple locations. Only a quantity of one can be selected from the product page. You will have the option to adjust the quantity within your cart.

shipping truck icon Free shipping in USA. Provide zip for delivery date.
Quantity
In Stock
Brand new

Buy it now


Acima Logo

No Credit Option

Flexible Lease Payments

Early Purchase Options

Quick Approval Decision

Swoosh Icon Icon of Swoosh

For over 25 years, we've been your X-Factor – the team dedicated to having the biggest impact on your shopping experience!

Award winning icon
Award-Winning Service
Shipping icon
FREE Shipping Orders $49+
60 days return policy icon
60-Day Easy Returns
lowest price guarantee icon
Guaranteed Lowest Price
inHouseExpert
In-House Experts
NVX - Worth the Envy - Direct to Consumer Car Audio

Loading...
MM-50L main

Deaf Bonce Machete MM-50L

320W Peak (196W RMS) 5.2" Machete Series Midrange 4-ohm Speakers

1
GT7-5C main

JBL GT7-5C

270W Peak (90W RMS) 5.25" GT7 Series 2 Way Component 4-ohm Speakers

3
-20.01%

$119.95

List price $149.95

Description


Stinger brand icon

Authorized dealer

Stinger 4000 Series RCA Interconnect Cable

Stingers new 4000 Series RCA Interconnect Cables were made with an audiophile grade design that enhances sound quality, provides incredible noise rejection, and offers simple installation. One of the newest technologies used on these cables is the C3 Tech (Continuous Connection Construction), this feature is sure to provide unmatched signal transfer and improved frequency response. These RCA Interconnects are available in 2-Channel, 4-Channel, 6-Channel, Male/Female Adapters, Video, & Audio/Video configurations and range from 1.5 feet up to 20 foot lengths.

The Stinger SI42YF is the 2 Female to 1 Male Y-Adapter version of the 4000 Series. This RCA Interconnect Adapter features oversized OFC conductors for excellent sound quality, split-tip connectors for exceptional signal transfer, twisted-pair construction for protection against interference and much more. The color coded channel identifiers, flexible clear protective jacket, and compact connectors allow for easy installation. Stinger's new RCA cables are sound inspired and built to last.

  Best Bang For Your $BUCK$  
 
NVX V Series 
KickerKicker K Series
Rockford RFI Series

Stinger 4000 Series

Nickel Plated Split RCA Ends
Dual Twisted Pair
Molded Strain Reliefs
Flex Jacket
Color-Coded
OFC Conductors
Warranty 1 Year Manufacturer's 1 Year Manufacturer's 1 Year Manufacturer's 1 Year Manufacturer's

 

Product Features
  • 2-Channel 4000 Series RCA Y-Adapter Cable
  • 2 Female connectors to 1 Male connector
  • Oversized OFC conductors provide excellent sound quality
  • Continuous Connection Construction (C3 Tech) provides unmatched signal transfer
  • Split-Tip connector allows better signal transfer
  • Color coded channel identification
  • Nickel-plated connectors for excellent signal transfer
  • Stinger audiophile grade design improves sound quality, noise rejection, and offers easy installation
  • Compact connector design for easy installation
  • Twisted pair winding patterns improve clarity and ensure consistent timing
  • Clear protective jacket looks great and minimizes friction for easy install
  • Molded strain reliefs for extra durability
  • Directional twisted-pair construction provides protection against interference
  • Improved frequency response
  • RCA interconnect cable for audio use
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

Product history:

Stinger SI42YF thumbnail
(newest, current model)
Stinger SPI23YF thumbnail
(previous model, replaced by Stinger SI42YF)

Loading...
Limited time!
46CSC654 main

Kicker CSC65 (46CSC654)

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

124
-33.36%

$79.96

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

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

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

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

REF6532IXAM main

Infinity Reference REF6532IXAM

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

3
-20.01%

$119.95

List price $149.95

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

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

SXE-1726S main

Alpine SXE-1726S

440W Peak (80W RMS) 6.5" SXE Series 2-way 4-ohm Coaxial Car Speakers

13
-21.82%

$42.99

List price $54.99


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

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

SI623 small

Stinger SI623

• 2-Channel 6000 Series RCA Interconnect Cable
• 3 ft. Cable Length
• Stinger Audiophile Grade
• Twisted Pair Construction
• Blue Protective Jacket
• Mylar Shielding
• Split-Tip Connector
• Molded Strain Reliefs

(10)

$16.99

List price $39.00

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

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

XIV21 small

NVX XIV21

• 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)

$8.99

List price $12.99

XIV46 small

NVX XIV46

• 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

(35)

$15.99

List price $32.99

Specifications & Details


RCA Interconnect Cable Specifications
Primary Color
Red
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

SI42YF

Weight:

0.18lbs

Internal SKU:

si42yf

Internal Product ID:

38863

Customer Ratings & Reviews


Stinger SI42YF 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
5

Customer Reviews

Sort by:

Loading...

Great buy

High quality product at a great price. Very fast shipping

By Joshua on March 16, 2018 Checkmark Icon Verified purchase

29 found this helpful


Great cable splitter

Works perfectly. Got it for my system in my truck because my head unit has only one sub out.

By tt557gt on September 23, 2013

31 found this helpful


Good rca’s

Sometimes you need an adapter for a two-channel or four-channel amp and these come in handy good products.

By Eric on June 7, 2020 Checkmark Icon Verified purchase

27 found this helpful


Bought it for the mono input on sony units

Bought the Y splitter for the mono input on the sony xav-ax 3200.

By danny on February 4, 2025 Checkmark Icon Verified purchase



No picture

Ample Audio AC 150T (AC150T)

$36.99

List price $59.99

ACPAD-81Y small

Crux ACPAD-81Y

Smart-Play Integration with Multi Camera Inputs & USB Player select 2013-2025 vehicles from Audi with MMI MIB/MIB2 Systems

$355.99

List price $907.20

No picture

Metra Axxess ASWI-ECL

Eclipse Factory Steering Wheel Audio Control Interface

$49.99

List price $79.99

11DX200.4 small

Kicker DX200.4 (11DX200.4)

200W 4-Channel DX Series Class A/B Amplifier

(5)

$129.99

List price $169.95

(2)QBUS10P small

(2-Pack) NVX QBUS10P

500W Peak (200W) RMS 10" Amplified and Loaded Under Seat Quick Bass Universal Subwoofer System with Ported Enclosure

(38)

$359.98

List price $439.98

SQ32004 small

American Bass SQ32004

3200W 4-Channel Class A/B SQ Series Car Amplifier

(1)

$339.99

List price $499.99

SBLOCK4 small

EFX Status S Block 4 by Scosche

Distribution Block with Four 4 or 8 AWG Outputs and Three 0 or 4 AWG Inputs

(3)

$29.95

List price $49.95

CWR10G small

Kicker CWR10G (43CWR10G)

Grille for Select Kicker 10" Subwoofers

(1)

$24.99

List price $24.99

SI62YF small

Stinger SI62YF

2-Channel 6000 Series Audiophile Grade RCA Y-Adapter Cable

(1)

$15.99

List price $29.00

Related Searches


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

2007 Suzuki Aerio

2008 Audi A8 Quattro

2007 Jaguar XK

2003 Ford Taurus

1991 Suzuki Sidekick

1981 Ford Mustang

2018 Jeep Compass

1978 Ford Bronco

1992 Chevrolet Corvette

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.