【Z-150.6AP | 6ch Power Amplifier Focused on Sound Quality】

This is the 6ch power amplifier “Z-150.6AP”, ideal for those who want a bit more thickness and information in their factory audio, and for those who want to tune the sound throughout the entire cabin, including the front, rear, and subwoofer.

The Z-AP series is an AB-class power amplifier designed with musicality in mind, based on the Z-LX series. It’s not just about increasing output—its layout is designed to keep the sound cohesive, including shortening the signal path, standardizing the printed circuit patterns across channels, and providing gain adjustment circuitry for each channel.

In addition to 150W × 6ch output, it supports 250W × 6ch in 2Ω stereo mode and 500W × 3ch in 4Ω bridged mode. Because it has strong power to drive the speakers properly, you can more easily feel the sound’s core and headroom not only when you turn the volume up, but also at everyday listening levels. By organizing the positioning of vocals and instruments, you can aim for sound that’s easy to enjoy even on long drives.

The input circuit uses the TI LME49720 operational amplifier. The amplification stage uses low-noise transistors from Toshiba, and the power stage uses power transistors from Sanken. Components designed with sound quality in mind are used throughout, such as audio-grade electrolytic capacitors, WIMA film capacitors, and 0.1% tolerance metal film resistors.

However, with a power amplifier, the sound isn’t determined by the unit alone. The final result varies greatly depending on the speaker configuration, connections with the factory navigation system or DSP, gain settings, crossover settings, installation location, and power wiring. If it were me, I’d decide whether to use all 6 channels and exactly how to configure it—including bridge connections—after looking at the vehicle and the current system.

If you want to make your current system sound one step more solid using the Z-150.6AP, let’s consider a practical combination together while checking your vehicle model and current audio setup. Including the adjustments after installation, we’ll shape your system so you can enjoy your usual music comfortably.

Main Specifications

【Basic Information】

• Product name: Z-150.6AP
• Type: 6ch power amplifier
• Output section operating class: AB-class
• Channel modes: 3ch / 4ch / 5ch

【Output】

• 150W × 6ch: 4Ω stereo
• 250W × 6ch: 2Ω stereo
• 500W × 3ch: 4Ω bridged

【Performance】

• Frequency response: 10–30kHz
• Distortion: 0.05% or less
• S/N ratio: 110dB or higher
• Channel separation: 60dB or higher
• Input sensitivity: 1.0–9.0V
• Input impedance: 30kΩ

【Inputs / Functions】

• Floating input so that ground does not form a loop
• Pre-out: none
• High-level input: not supported
• High-level input / Auto power-on: supported by using separately sold ASP-OEB
• Auto power-on function: not supported

【Key Components】

• Input circuit: TI LME49720 operational amplifier
• Amplification section: Toshiba low-noise transistors
• Power stage: Sanken TO-3P power transistors
  • 2SA-2151A / 2SC-6011A
• Audio-grade electrolytic capacitors
• WIMA film capacitors
• 0.1% tolerance metal film resistors

【Power Supply / Protection】

• Operating supply voltage: 10.0–16.0V
• Idle current: 1.2A (no signal)
• Fuse: none built-in
• External fuse: be sure to connect 80A
• Protection functions: High-speed protection activates in abnormal conditions such as thermal, overload, or short circuits

【Dimensions / Weight】

• Dimensions: 190 × 62 × 573mm (W × H × D)
• Weight: 7.6kg