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Description

Sundown Audio SAEv4-1500.1D

SAEv4‑1500.1D is a mono‑block Class‑D amplifier designed for subwoofer systems. It delivers powerful, clean bass and is optimized for low‑impedance loads (as low as 1 Ω), making it suitable for demanding bass/subwoofer setups. The amplifier features a heavy‑duty aluminum heat sink for efficient cooling, variable low‑pass and subsonic filters, phase shift control, and robust multi‑way protection circuitry to ensure stable and reliable performance during heavy loads.


Specifications

Specifications
Product Sku
SAEv4-1500.1D
Amplifier Type
Class D
1 Ohm RMS Power
1,500 x 1 @ 1 ohms RMS
2 Ohm RMS Power
800 x 1 @ 2 ohms RMS
4 Ohm RMS Power
450 x 1 @ 4 ohms RMS
Operation Voltage
DC 10.5V – 15.5V Power Input
Recommended Fuse
140Amps
Signal / Noise Ratio
92DB
Variable 12dB Subsonic Filter
10Hz – 40Hz
Variable 12dB Low Pass Filters
40Hz – 180Hz
Dimensions
Length
12.48″
Width
6.3″
Height
2.75″

 


Feature

  • 1,500 x 1 @ 1 ohms RMS
  • 800 x 1 @ 2 ohms RMS
  • 450 x 1 @ 4 ohms RMS
  • Class D amplifier
  • 12dB variable low pass filter: 40Hz – 180Hz
  • 12dB subsonic filter: 10Hz – 40Hz
  • Phase shift control 0-180 degrees
  • Power, clipping & protection indicators included
  • Heavy aluminum heat sink for improved thermal control
  • Thermal, voltage, speaker short, and dc-offset protection circuitry
  • Wired remote control with clipping indicator

About The Product

The Sundown Audio SAEv4-1500D amp more than just big bass – it’s a powerful upgrade for any car audio enthusiast wanting superior sound quality and reliability. This high-performance half-bridge class D amplifier ensures powerful, detailed output. The variable phase, lowpass and subsonic filters provide the control you need – for the sound you love. 

Featuring robust protection circuitry against thermal, voltage, speaker short, and DC-offset issues, along with power and protection indicators, this amplifier guarantees long-lasting durability, while the heavy aluminum heat sink enhances thermal control, preventing overheating during extended use. The included wired remote with clipping indicator provides real-time monitoring and output control!

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Questions and Answers

Q1: What is the power output of SAEv4‑1500.1D?

A1: It delivers:

  • 1,500 W × 1 @ 1 Ω (RMS)

  • 800 W × 1 @ 2 Ω (RMS)

  • 450 W × 1 @ 4 Ω (RMS)

Q2: Is it stable at low impedance?

A2: Yes  it is stable down to 1 Ω load, making it suitable for low‑ohm subwoofer wiring for maximum bass output.

Q3: What filters and tuning controls does it include?

A3: It includes a variable low‑pass filter (40–180 Hz, 12 dB/octave), a variable subsonic filter (10–40 Hz, 12 dB/octave), and a phase‑shift control (0–180°), giving you flexibility to tune bass according to your subwoofer and enclosure setup.

Q4: What protections and safety features does it offer?

A4: The amp features a 4‑way protection circuitry covering thermal protection, voltage irregularities, speaker short, and DC‑offset. It also has LED indicators for power, clipping, and protection status.

Q5: What are the general electrical and installation specs?

A5:

  • Input sensitivity: up to 6 V max

  • Operating voltage: DC 10.5V – 15.5V

  • Recommended fuse: 140 A

  • Recommended wiring gauge: up to 4 AWG (or 1/0 gauge per installation guide)  

  • Dimensions: 12.48″ (L) × 6.3″ (W) × 2.75″ (H)


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