i520.4B Amplifier

Built-in Bluetooth for Audio Streaming 4Ch Amplifier (No Headunit Required)


RMS Power 4Ω 100W x 4 (14.4V, 1KHz, ≤ 1% THD+N)
RMS Power 2Ω 130W x 4 (14.4V, 1KHz, ≤ 1% THD+N)
RMS Bridged 4Ω 260W x 2 (14.4V, 1KHz, ≤ 1% THD+N)


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Have a Classic car, Golf cart, Side x Side where it’s challenging to add a Headunit? That’s where the iON i520.4B Bluetooth Amplifier shines! This Amplifier includes built-in Bluetooth to stream music from any Smartphone App to the Vehicle’s speakers. Your Smartphone can link via Bluetooth and control your music right down to Volume and Equalization. Complimented with every possible preamp adjustment, the iON series leaves nothing to be desired.

The i520.4B also comes with a pass-through cable to connect additional amplifiers to create a daisy chain configuration.


Compact iON Bluetooth Ready Amplifier

Bluetooth Built-in for Streaming Music

2 – Ohm Stereo Stable

Direct Short, Thermal, Overload Circuit – Protection

Hybrid Aluminum Alloy Heatsink for Heat Dissipation

200mV-6V High-Level / Low-Level Input Capable

Signal Sensing Turn-On (Hi-Level Input Only)

Variable 12dB Low-Pass, High-Pass, Crossover

12dB Bass Boost Increases Low Octave Harmonics

Pass-Thru Output For Daisy Chain Configuration (Cable Included)

BT Antenna & Extention for Signal Increased Improvement Included

Direct 8ga. Power &  Speaker Terminals

Amplifier Dimensions: 5.375″W x 1.875″H x 9.25″L

Made in Korea



Warranty Procedure 

Please complete the entire Return Authorization Request Form. Read carefully and fill out all the information accordingly. For non-warranty repairs, please provide details of the problem and request an estimate before sending the product. After receiving and approving your completed request, Precision Power will issue a Return Authorization (RA) Number, which will be forwarded to you via e-mail.

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