Have you considered these for your car audio upgrade?
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The HELIX AAC.3 HP is a high-to-low voltage converter that taps a genuine speaker-level signal from a factory amplifier's output and converts it into a clean, adjustable preamp-level signal for an aftermarket amplifier or DSP — letting you add proper aftermarket power to an OEM system without replacing the factory head unit or amp. Its ADEP.3P circuit bypasses the factory amplifier's speaker-load diagnostics so the OEM system doesn't flag a fault when its output is tapped, while also cutting the current the factory amp has to deliver by up to 70%, which keeps heat and load down at the source. The "HP" (High Power) rating reflects its input handling — up to 25V / 155W at 4Ω, well above a standard high-low converter — which is what separates it from the standard HELIX AAC.3, rated to 16V, and makes it the one to reach for on higher-powered factory systems.
Product specifications:
- Maximum speaker input: 25V (155W @ 4Ω)
- Input impedance: 13 Ω
- Maximum output level: 4.0V
- Frequency response: 18 Hz – 80 kHz
- Operating voltage: 7–18V
- Remote output current: 200 mA max
- Turn-on: Double Activation Circuit — DC-offset or adjustable signal detection
- Power Save Mode: Remote output switches off after 2 minutes without audio
- Dimensions: 77 x 37 x 20 mm
- Outputs: Gold-plated RCA
- Made in: Germany
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These will help make your car sound amazing - you won't want to leave the driver's seat!