
An AB-class 4-channel amplifier that has been improved with an upgraded power section to enhance output and stability, allowing you to flexibly build a system from 4-channel operation for front and rear to 3-channel/2-channel configurations.
【GZIA 135.4】GROUND ZERO 4ch Power Amplifier
This is a 4ch power amplifier from the GROUND ZERO IRIDIUM series, offering an attractive, affordable price range. The circuitry inside the power supply unit has been significantly improved, enhancing output, signal-to-noise ratio (S/N), and operational stability. An AB-class power amplifier that lets you enjoy an energetic, lively sound with ease—ideal for upgrading front and rear systems.
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| Type | 4ch power amplifier (Class AB) |
| Rated power | 100W x4 (4 ohm) / 140W x4 (2 ohm) / 320W x2 (4 ohm bridged) |
| Number of channels | 4ch (4/3/2ch) |
| Frequency response | 8Hz-28kHz (+/-1dB) |
| S/N ratio | 100dB |
| Dimensions (W x D x H) | 278 x 168 x 49mm |
| Built-in fuse | 30A x2 |