See all parts that fit your 2017 Legacy
180W RMS Quadraphonic Class-D 4-Channel Amplifier
Product highlights
• Quadraphonic Class-D 4-Channel Amplifier
• 45 watts RMS x 4
• Full range Class D digital circuitry
• Ultra-low current draw
• Advanced protection circuitry
• Built-in variable high pass/full range crossover
6" to 6.75" Speaker Bracket for select 1998-2024 vehicles from Toyota, Subaru, Scion
$18.99
List price $37.99
Connect your factory antenna to a new aftermarket radio for select 2006-2025 vehicles from Toyota, Subaru, Lexus
$14.99
List price $17.99
6"-6 3/4" Speaker Adapter for select 2002-2024 vehicles from Toyota, Subaru, Lexus
$24.99
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Factory Microphone Retention Interface Module for select 2010-2024 vehicles from Ford, Subaru, Toyota (Requires ADS-MSR, MRR, or MR2 Module)
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Install a new Double-DIN car stereo in select 2015-2019 Outback and Legacy (High Gloss Black)
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Install a New Car Stereo and Retain Harman Kardon Amplifier, Steering Wheel Controls and Other Factory Features in select 2015-2022 vehicles from Subaru
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List price $195.30
Universal 6.5" Waterproof Silicone Rubber Speaker Baffle Ring Kit (Pack of 2)
$21.99
List price $34.99
7" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Apple CarPlay and Android Auto (SiriusXM Ready)
$329.95
List price $349.95
RetroSound's QUAD4 is a 4-channel Class D digital amplifier that produces 45 watts x 4 channels RMS. The QUAD4 plugs directly into any RetroSound radio, and also has RCA pre-amp inputs for use with any after market car stereo.
6.75" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Apple CarPlay, Android Auto with Backup Camera
$329.99
600W Peak (200W RMS) 6.5” CS Series 2 Way Coaxial 4-ohm Speakers
$79.96
List price $119.99
900W Peak (300W RMS) 6x9” CS Series 3 Way Coaxial 4-ohm Speakers with Integrated Midrange Speakers
$111.96
List price $159.99
6.8" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Apple CarPlay, Android Auto, and SiriusXM Ready
$349.99
List price $420.00
7" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Apple CarPlay and Android Auto (SiriusXM Ready)
$329.95
List price $349.95
150W Peak (50W RMS) 3.5" Club Series 2 Way Coaxial 3-ohm Speakers
$79.95
List price $109.95
6.8" Double DIN Digital Multimedia Receiver with Bluetooth, Wireless Apple CarPlay, and Android Auto (SiriusXM Ready)
$599.99
List price $750.00
480W Peak (120W RMS) 6.5” DS Series 2-way 4-ohm Coaxial Car Speakers (DSC6504)
$84.99
List price $94.99
600W Peak (200W RMS) 6.5" DB+ Series 2 Way Coaxial 4-ohm Car, Marine and Powersports Speakers
$109.00
List price $119.99
360W Peak (120W RMS) 6.5" Club Series 2-way Coaxial 3-ohm Speakers
$99.95
List price $139.95
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Manufacturer:
Model Number:
QUAD4
Weight:
4.00lbs
Internal SKU:
quad4
Internal Product ID:
115245
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Universal Remote Bass Level Control Knob
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NVX XIX45 X-Series RCA Interconnect Cable
16.4 ft. of 4-Channel X-Series RCA Cable with Dual Twisted Pair Hyper-Flex Technology
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NVX V-Series RCA Interconnect Cable
19 ft. of 4-Channel RCA cable with dual twisted-pair conductors
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NVX XIV45 4-Channel RCA Audio Interconnect Cable
5 Meters (16.4 ft.) 4-Channel RCA Audio Interconnect Cable with Dual Twisted Pair Hyper-Flex Technology
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All-in-one cable for speaker and amp installation (20 feet)
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75 ft. of True 16 Gauge 100% Copper EnvyFlex Speaker Cable/Wire
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500 Amp Relay Isolator (BIR500)
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Belva Nine Function Digital Multimeter
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Universal Positive/Negative 1/0 or 4 Gauge Battery Terminal
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4/8 Gauge Mini ANL (MANL, AFS) Fuse Holder
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ANL/Mini-ANL Fuse Holder with 1/0 or 4 Gauge Input and Output
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4/8 Gauge Mini-ANL/MANL/AFS Fuse Holder
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4 Pack of 80 Amp Nickel-Plated MANL Fuse
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4 Pack of 150 Amp Nickel-Plated MANL Fuse
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2 Pack of 100 Amp Nickel-Plated ANL Fuse
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2 Pack of 200 Amp Nickel-Plated ANL Fuse
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2 Pack of 300 Amp Nickel-Plated ANL Fuse
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Marine Grade Bluetooth Audio Controller/Receiver
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Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:
Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.
