Sky High Car Audio 3000.4 4-Channel Amplifier | Made in Korea

Sky High Car Audio SHCA3000.4 – Precision Power. Full Flexibility.

Rethinking the amplifier: The most customizable and vertical amp EVER. It’s not just a statement; it’s facts. 

| Korean Built | Class D | 2Ω Stable | Individually QC Tested | Full Active | Ultra Fast Switching | Balanced Input Circuit | Onboard Synchronizer | Bridgeable | 3 Levels of Modular Cooling | Premium Customization in Color, Mounting & Appearance | Acrylic Back | Expansion-Ready |

High Output. Higher Control.

The SHCA3000.4 delivers exceptional power with high-resolution analog tuning, modular cooling, and customizable cosmetics — giving installers, tuners, and competitors the perfect amp for heavy-duty front stages or bridged mids.

•Minimum Ohm Ratings (Per Configuration):

•2Ω per channel (stereo mode)

•4Ω bridged

•Not 1 Ohm rated – wiring below 2Ω stereo or 4Ω bridged is not supported or warrantied

•17.0vdc Max Operating Voltage

•Rated Output: 13.2V @ 2Ω per channel @ 1000Hz (all channels loaded)

•1-Year Manufacturer Warranty

Covers manufacturer defects including 0.5Ω operation from date of purchase. 

•Korean Engineered & Assembled

Designed by engineers from scratch, using world class parts and optimized with Sky High modular features.

Dimensions

•15.75” (L) × 9.92” (W) × 3.13” (H)

**Sized to match the SHCA3500.1 — allows for multi-amp symmetry and seamless installs.

Wiring Configurations

•Ran as:

•4-channel: full-range stereo

•3-channel: Individual channel 1 and 2 + bridged channel 3/4

•2-channel: bridged channel 1/2 and 3/4. 

**RCA input can be ran off 2 or 4 channels of input. 

Efficiency & Airflow Built In

•High-efficiency circuit layout reduces internal heat and stress

•Standard acrylic backplate with internally mounted cooling fan improves reliability and extends performance during high-demand use

•Designed for long play sessions, demo events, and high-output daily systems without heat-based drop-off

Customization That Stands Alone

Flippable Branding System

•Diamond-cut aluminum Sky High logo and aluminum model number plates are fully reversible for clean orientation in any mounting position

Modular Center Panel

•Drop-in customizable overlays available custom or in standard form (sold separately) examples of materials: 

•Forged carbon

•Mirror stainless

•Paint-matched aluminum

•Acrylic/plexi light-up options

•No adhesives, no fabrication—just swap and bolt on

Power Input Flexibility

Input Expansion Kits (Sold Separately)

•Add more 12V power delivery points for high-demand builds

•Available in:

•Cast aluminum

•CNC’d aircraft-grade aluminum

•Copper

Ring Terminal Adapters (Sold Separately)

•Ideal for tight fitments and clean panel work

•Bolt-on design ensures secure, high-conductivity connections

Cooling System Expandability

Passive Cooling Add-Ons (Sold Separately)

•Slide-in extruded aluminum heat sink overlays increase surface area up to 25%

•Available in 5 color options as well in raw aluminum for custom finish work including plain, powder, gold/chrome/copper/ rose gold dip, polish or other high end finishes all available. 

• Non-anodized coatings will affect cooling potential of aluminum. 

Active Cooling (Sold Separately)

•Push/pull fan kits mount to the extruded heatsink extensions and plug into (4) onboard 12V outputs

•Optional thermal bridges link airflow between linked amps

2026 Water Cooling Ready

•Bolt-on water-cooled heatsink system (in development) will include pump, radiator, and lines. Optional tank sold separately. 

 CAT6 Remote System

•Link up to 12 SHCA amps

•Control gain, subsonic, LPF, and phase control all from a single unit. 

•Monitor temp or voltage of amps

•Fully compatible with Sky High Smart Bass Knob

Mounting Options for High-End Builds

As with every amp in the SHCA line this amp is designed for modular mounting options to accommodate any system layout.

•Bracket kits (sold separately) allow:

•Stacking

•Vertical mounting (adjustable mounts and static mounts available) 

•Floating wall installs

•Side-by-side linking

•Proprietary Slide-lock channels in the heat sink allow for bracket setup

Available in:

•Extruded aluminum (lightweight, modular)

•Cast aluminum (durable and economical)

•Machined billet aluminum (show-grade)

**Optional footless endcaps allow for smooth flush mounting in clean-wall or rail-based installs

Detented Signal Tuning 

•Tactical detent (click lock) style settings on potentiometers for the following settings:

•Low-Pass

•High-Pass 

**Lock in your settings with tactile, repeatable controls — no electronic tools, no guesswork.

SHCA3000.4 – System Flexibility, Built to Scale.