Beat-Sonic ENA-2S1 Plug-and-Play Amplifier for GR86, BRZ, WRX & More
Looking for more clarity from your music or more punch in the bass? The Beat-Sonic ENA-2S1 is a completely plug-and-play micro power amplifier designed to give your factory stereo system a serious upgrade without cutting a single wire. Whether you drive a GR86, Subaru BRZ, WRX, Forester, or any other compatible model, this kit connects directly to your existing factory harness using the stock 10-pin and 6-pin stereo connectors - no tools, no programming required.
What sets the ENA-2S1 apart is its RCA high-level input, which allows for a cleaner, higher-quality audio signal compared to the standard speaker-level connection alone. The result is noticeably improved volume, clarity, and bass response across the entire frequency range - all while keeping your factory headunit and speakers. The ultra-compact design gives you flexibility on install location, and the high-quality FET operational amplifier delivers precise, detailed sound reproduction even at higher volume levels. If you're planning to add a subwoofer, consider stepping up to the ENA-3S1 which adds an RCA subwoofer output.
*RCA outputs on both models are NOT compatible with Harman Kardon equipped vehicles. Non-HK models without the VAZ-A02K module require the VAZ-A02K add-on (included in "Without Harman Kardon" variant).
Features
Ultra-compact amplifier seamlessly installs to the factory stereo system
Additional RCA high-level input for even higher quality sound
Significantly improve sound quality with more clarity and powerful output across low, mid, and high ranges
Experience high resolution sound while keeping factory speakers and headunit
Uses carefully selected acoustic components including high quality electrolytic and low impedance capacitors, extra copper thickness of 70u to improve all frequencies from low to high
Compact size allows for flexibility with installation location
High-quality FET operational amplifier used for input sections - details of the music including artist voice and breath tone expressed at a high resolution level
Compatibility
2022-2025 TOYOTA GR86
2013-2021 SUBARU BRZ
2022-2025 SUBARU BRZ
2018-2025 SUBARU FORESTER (without HK sound requires VAZ-A02K)
2021-2025 SUBARU IMPREZA (without HK sound requires VAZ-A02K)
2021-2025 SUBARU LEGACY (without HK sound requires VAZ-A02K)
2020-2025 SUBARU OUTBACK (without HK sound requires VAZ-A02K)
2016-2019 SUBARU OUTBACK
2022-2025 SUBARU WRX (without HK sound requires VAZ-A02K)
2016-2021 SUBARU WRX
2022-2025 SUBARU XV CROSSTREK (without HK sound requires VAZ-A02K)
2016-2019 SUBARU XV CROSSTREK
Specifications
Maximum output 45W x 4ch (4 ohm)
Compatible impedance 4-8 ohm
Input sensitivity 0.5-5V
Frequency characteristics 15-80kHz (+0, -1dB)
Total harmonic distortion 0.01% (1kHz / 4 ohm)
Power supply DC12V (minus ground)
Power supply voltage DC11V ~ 15V
Current consumption 0.2A (when there is no signal)
Fuse used 15A
Audio input AUX level (RCA)
Speaker level (supports high level input)
Dimensions 96 (W) x 40 (D) x 113.5 (H) mm
Weight 420g (main unit only)
FAQ
What is the difference between ENA-2S1 and ENA-3S1?
The ENA-2S1 has 45W x 4ch and an RCA high-level input. The ENA-3S1 has 50W x 4ch and adds an RCA subwoofer output for easy subwoofer addition. Choose the ENA-3S1 if you plan to add a subwoofer.
Do I need to cut or splice any wires?
No - both amplifiers are completely plug-and-play. No modifications to the factory harness are required.
My vehicle has Harman Kardon. Can I use this?
The amplifier works with Harman Kardon models for the speaker outputs. However, the RCA audio outputs on both units are NOT compatible with Harman Kardon equipped vehicles.
What is the VAZ-A02K module?
Some newer Subaru models without Harman Kardon require the VAZ-A02K adapter module to work with this amplifier. It is included in the "Without Harman Kardon" variant automatically.
