Sky High Car Audio SH-3000.4 – Precision Power. Full Flexibility.

The SH-3000.4 is built for high-output front stages, active three-way systems, or bridged mids that demand clean tuning control and serious power. With Korean engineering, modular cooling, customizable cosmetics, and full active capability, this 4-channel amplifier gives installers and competitors unmatched flexibility and control.

🔥 Key Features

• 2 OHM Stable Per Channel – Optimal performance and reliability in 4-channel mode.
• Bridgeable – Run 3-channel or 2-channel modes for powerful midbass or mids setups.
• Not 1 OHM Rated – Wiring below 2 OHM stereo or 4 OHM bridged is not supported or warrantied.
• Korean Built Class D Platform – Ultra fast-switching with balanced input circuitry.
• Individually QC Tested – Every amp is verified before it leaves the factory.
• 17.0vdc Max Operating Voltage – Rated at 13.2vdc @ 2 OHM per channel.
• Full Active Capable – High-resolution analog tuning across all channels.
• Acrylic Backplate + Internal Fan – Maintains airflow and thermal stability.
• Modular Cooling System – Three levels of expandable cooling options.
• 1-Year Manufacturer Warranty

📏 Dimensions

• Length: 15.75 inch
• Width: 9.92 inch
• Height: 3.13 inch
• Matches the SH-3500.1 for clean multi-amp symmetry.

🔧 Wiring Configurations

• 4-Channel Mode: Full-range stereo
• 3-Channel Mode: Channels 1/2 independent + channels 3/4 bridged
• 2-Channel Mode: Bridges channels 1/2 and 3/4
• RCA Input Options: Can be run from 2-channel or 4-channel signal

❄️ Efficiency & Airflow

• Efficient circuit layout reduces internal heat and stress.
• Acrylic backplate includes an internally mounted cooling fan.
• Built for long play sessions, demo events, and high-output active systems.

🎨 Customization That Stands Alone

Flippable Branding System

• Diamond-cut Sky High logo and model plates flip for perfect orientation.

Modular Center Panel (optional overlays sold separately)

• Forged carbon
• Mirror stainless
• Paint-matched aluminum
• Acrylic/plexi LED options
• No adhesives — bolt-on design swaps in seconds.

⚡ Power Input Flexibility

Input Expansion Kits (sold separately)

• Add additional 12V power delivery points for demanding builds.
• Available in cast aluminum, CNC aircraft aluminum, and copper.

Ring Terminal Adapters (sold separately)

• Ideal for tight installs and clean wiring layouts.
• High-conductivity bolt-on terminal design.

❄️ Cooling System Expandability

Passive Cooling Add-Ons (sold separately)

• Slide-in extruded aluminum heat sink overlays increase surface area up to 25%.
• Available raw or in five standard colors; custom coatings and chrome/copper/gold finishes available.
• Note: Non-anodized coatings reduce thermal efficiency.

Active Cooling Kits (sold separately)

• Push/pull fans mount to passive heat sink extensions.
• Plug into four onboard 12V fan outputs.
• Optional thermal bridges link airflow across multiple amps.

2026 Water Cooling Ready

• Future bolt-on water-cooled heat sink system will include pump, radiator, lines, and optional tank.

🔗 CAT6 Remote System Compatible

• Link up to 12 SHCA amplifiers.
• Control gain, subsonic, LPF, and phase from one interface.
• Monitor amplifier voltage and temperature.
• Fully compatible with the Sky High Smart Bass Knob.

🛠️ Mounting Options

• Stacking, vertical mounting, floating installs, and linked configurations with optional brackets.
• Bracket materials: Extruded aluminum, cast aluminum, billet aluminum (show grade).
• Slide-lock channels built directly into the heat sink for secure modular mounting.
• Optional footless endcaps for clean flush-wall installation.

🎚️ Detented Signal Tuning

• Tactical "click-lock" potentiometers for:
• • Low-Pass
• • High-Pass
• Provides tactile, repeatable tuning — no tools, no guessing.

The SH-3000.4 delivers high-resolution control, modular flexibility, and the power to scale your entire front stage. Precision-built and ready for any system.