• 900W MAX OUTPUT: 4 CHANNEL CLASS A/B POWER – Delivers 150W x 4 @ 4 Ohms RMS, 225W x 4 @ 2 Ohms RMS, or 450W x 2 @ 4 Ohms Bridged for flexible system configurations with clean, dynamic output.
• HI-FIDELITY CLASS A/B ARCHITECTURE: Engineered with advanced half-bridge technology for superior sound quality, strong channel separation, and a rich, low-noise listening experience.
• VARIABLE 12dB CROSSOVERS (40Hz–5kHz): Fully adjustable high-pass and low-pass filters allow precise tuning for mids, highs, or subwoofer applications.
• UPGRADED HEATSINK DESIGN (+33% MORE ALUMINUM): Newly engineered chassis improves heat dissipation and long-term reliability during high-output listening sessions.
• 4-WAY PROTECTION CIRCUITRY: Built-in thermal, voltage, speaker short, and DC-offset protection safeguards your system and amplifier investment.

Sundown Audio 900-Watt 4-channel 2-Ohm Class A/B Amplifier SD-SAE-150.4-V4

This Listing Includes:

• (1) Sundown Audio 4-Ch Amplifier SAEV4-150.4

The SAEv4 4-Channel Amplifier is built around a high-fidelity Class A/B design, delivering powerful and precise sound for full-range systems. With upgraded half-bridge circuitry and a redesigned heatsink containing 33% more aluminum, this amplifier stays cool while producing up to 900 watts of clean output.

Fully adjustable 12dB high-pass and low-pass filters (40Hz–5kHz) give you detailed control over system tuning, while built-in protection circuitry ensures safe, reliable performance in daily and high-demand applications alike. Compact, efficient, and engineered for clarity, the SAEv4 is an ideal solution for serious system upgrades.

Features:

• High Fidelity Class A/B Multi-Channel Design


• 12dB/Octave-Variable Subsonic Filter


• 12dB/Octave-Variable High Pass Filter


• 12dB/Octave-Variable Low Pass Filter


• Clipping Indicator


• 4 Way Protection Circuit (Thermal,


• Voltage Speaker short and DC Offset)


• Optional Wired Remote Control with Clipping Indicator

SPECIFICATIONS:

• Input Sensitivity 6V Max


• 225 x 4 @ 2 ohms RMS


• 150 x 4 @ 4 ohms RMS


• Variable High Pass Filter: 40HZ - 5kHZ


• -12dB/8 Variable Crossover Slope (LPF/HPF)


• Signal / Noise Ratio: 92DB


• Operation Voltage : DC 10.5V - 15.5V Power Input

Dimensions:

• Length: 17.95â€


• Width: 6.3â€


• Height: 2.75â€