Mobile Electronics› Power Accessories
JL Audio
J2 320.4 4-Channel Amplifier
SKU: J2320.4
Moderate — 2–4 hours
Description
This Class B amplifier features differential-balanced inputs and a MOSFET switching power supply. It includes variable low-pass and high-pass filters with slopes of 12 dB/octave, and a variable bass boost at 45 Hz. The amplifier supports both preamp and speaker-level inputs.
Fitment
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Available on iOS & Android
Specifications
| Brand | JL Audio |
| Part Number | J2320.4 |
| Category | Mobile Electronics |
Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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