Sky High Car Audio 3000.4 Amplifier

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

 

The SHCA3000.4 is Sky High’s heavy-hitting 4-channel—built for serious front stages, bridged mids, and active systems that demand both power and precision. Korean-built, Class D efficient, and fully modular, it delivers clean output with high-resolution analog tuning in a chassis that’s made to be shown off, stacked, or mounted vertically in today’s wildest installs.

 

If you’re running a strong front stage, pro audio doors, or need a flexible multi-channel to pair with big bass power, the 3000.4 gives you the control, cooling, and customization to match.

 

 

 

 

Core Highlights

 

 

• Korean built Class D 4-channel
• 2Ω stereo / 4Ω bridged stable
• Individually QC tested
• Full active capable with high-pass and low-pass filters
• Ultra fast switching, balanced input circuit
• Onboard synchronizer and bridgeable topology
• 3 levels of modular cooling
• Acrylic back with internal fan
• Premium customization in color, mounting, and appearance
• Expansion-ready for future power and cooling upgrades

 

 

 

 

 

Power & Ratings

 

 

• 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
• Rated Output:
  
• Rated at 13.2V @ 2Ω per channel @ 1000 Hz (all channels loaded)
• Operating Voltage:
  
• Up to 17.0VDC max operating voltage
• Warranty:
  
• 1-year manufacturer warranty covering manufacturer defects from date of purchase
• Korean Engineered & Assembled:
  
• Designed from scratch using world-class parts
• Optimized around the Sky High modular feature set

 

 

 

 

 

Dimensions & System Layout

 

 

• Dimensions:
  
• 15.75” (L) × 9.92” (W) × 3.13” (H)
• Sized to match the SHCA3500.1 for symmetrical multi-amp installs

 

 

Wiring Configurations:

 

• 4-channel: full-range stereo on all four channels
• 3-channel: channels 1 & 2 full-range + channels 3/4 bridged
• 2-channel: channels 1/2 bridged + channels 3/4 bridged

 

 

RCA Input Options:

 

• Can be run from 2 or 4 channels of input depending on your signal layout

 

 

 

 

 

Efficiency, Cooling & Expansion

 

 

• High-efficiency circuit layout reduces internal heat and electrical stress
• Standard acrylic backplate with internally mounted cooling fan
• Designed for long demo sessions, events, and high-output daily play without thermal drop-off

 

 

Cooling System Expandability (Sold Separately):

 

• Passive Cooling Overlays:
  
• Slide-in extruded aluminum heatsink overlays
• Increase surface area up to 25%
• Available in 5 color options and raw aluminum for custom finishes
• Note: non-anodized coatings can affect cooling performance
• Active Cooling Options:
  
• Push/pull fan kits mount to the extruded heatsink extensions
• Plug into (4) onboard 12V outputs
• Optional thermal bridges to link airflow between paired amps
• 2026 Water Cooling Ready:
  
• Future bolt-on water-cooled heatsink system (in development)
• Will include pump, radiator, and lines (optional tank sold separately)

 

 

 

 

 

Customization & Mounting

 

 

Flippable Branding System

 

• Diamond-cut aluminum Sky High logo and model plates
• Fully reversible for clean orientation in vertical, horizontal, or stacked layouts

 

 

Modular Center Panel (Sold Separately):

 

• Drop-in overlays in:
  
• Forged carbon
• Mirror stainless
• Paint-matched aluminum
• Acrylic/plexi light-up options
• No adhesives or fabrication—just swap and bolt on

 

 

Mounting Options (Bracket Kits Sold Separately):

 

• Stacking
• Vertical mounting (adjustable or static mounts)
• Floating wall installs
• Side-by-side linking
• Uses proprietary slide-lock channels in the heatsink

 

 

Bracket Material Options:

 

• Extruded aluminum (lightweight, modular)
• Cast aluminum (durable, economical)
• Machined billet aluminum (show-grade)

 

 

Optional Footless Endcaps:

 

• Allow smooth, flush mounting on clean walls or rail-based systems

 

 

 

 

 

CAT6 Remote System Compatible

 

 

• Link up to 12 SHCA amps
• Control gain, subsonic, LPF, and phase from a single controller
• Monitor amp temperature and voltage
• Fully compatible with the Sky High Smart Bass Knob

 

 

 

 

 

Detented Signal Tuning

 

 

• Tactical detent (“click lock”) potentiometers for:
  
• Low-pass filter
• High-pass filter

 

 

Lock in your settings with tactile, repeatable adjustments—no guessing, no tiny tools, easy left/right matching.

 

 

 

SHCA3000.4 – System Flexibility, Built to Scale.

For front stages and full-range systems that need serious power, clean tuning, and room to grow, the SHCA3000.4 delivers precision, control, and the kind of modular installation options that keep your build looking as good as it sounds.