Precision Power A700.4D – 700W RMS Atom Series Class-D 4-Channel Car Amplifier, Compact High-Efficiency Design, Bridgeable, Korean Circuitry

The Precision Power (PPI) A700.4D Atom Series Class-D 4-Channel Amplifier represents the next evolution in compact car audio performance. Built on the trusted legacy of the original ATOM and iOn platforms, this amp offers upgraded power, thermal efficiency, and smart design—all in a form factor perfect for space-conscious installations without compromising output.

With 700 watts of RMS power, bridgeable channel capability, and premium Korean Class-D circuitry, the A700.4D delivers audiophile-grade sound quality, clean power, and versatile configurations for full-range speakers, mids, or subwoofers.

• [CLASS-D TECHNOLOGY WITH IMPROVED KOREAN CIRCUITRY] This amplifier uses advanced Korean Class-D topology, known for superior thermal efficiency, lower distortion, and stable high-power output. Internal enhancements include upgraded power supply components and a robust output stage, ensuring smooth operation under load, even at high volume levels.
• [TRUE 700W RMS POWER FOR MULTI-SPEAKER SETUPS] Whether you’re powering four full-range speakers or bridging into two high-powered channels, the A700.4D delivers clean, distortion-free audio:
  • Power Output @ 4 Ohm: 90W x 4
  • Power Output @ 2 Ohm: 120W x 4
  • Bridged Power @ 4 Ohm: 240W x 2
  • Total RMS Power: 700W

It’s an excellent match for a full system upgrade—perfect for tweeters, mids, and even small subwoofers.

• [SMART LAYOUT FOR CLEAN & EFFICIENT INSTALLATION] Precision Power has relocated the signal inputs, power/ground, and speaker outputs to the front-facing side of the chassis, making wiring easier, cleaner, and more accessible in tight spaces. All preamp and crossover options are now conveniently positioned at the back for fast tuning and adjustments.
• [FULLY BRIDGEABLE 4CH DESIGN FOR CUSTOM SYSTEMS] Each pair of channels is bridgeable, allowing multiple configuration options—run four speakers, two speakers and a sub, or two bridged channels for max output. It adapts seamlessly to factory or aftermarket head units thanks to its high- and low-level input compatibility.
• [BUILT-IN CROSSOVERS AND GAIN CONTROLS] Dial in your system with precise low-pass and high-pass filters, as well as independent gain controls for each channel pair. It’s easy to tailor your soundstage for perfect tonal balance, whether you’re focused on deep bass, crisp highs, or a full-spectrum audio experience.
• [MULTI-LAYER PROTECTION FOR LONG-TERM USE] Packed with built-in safety features, the A700.4D protects your investment through:
  • Thermal Protection
  • Short Circuit Protection
  • Overload and Overcurrent Protection

This smart amplifier continuously monitors internal temperature and electrical flow, shutting down automatically to prevent damage during abnormal conditions.

• [PERFECT FOR AUDIOPHILES, DIY INSTALLERS & OEM UPGRADES] Whether you're upgrading your factory audio system or building a custom setup from scratch, the A700.4D gives you professional-level performance in a compact footprint. It's ideal for:
  • Car audio enthusiasts demand true RMS power
  • DIY installers working with limited space
  • OEM integration upgrades
  • Multi-speaker and bridged subwoofer systems

[TECHNICAL SPECIFICATIONS AT A GLANCE]