Harmony · Amplifier

HB 154D II

Max Output: 350 W
Impedance: 4Ω / 2Ω

$349.99

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Manufacturer warranty

Ships in 2–3 business days · 3–5 business days in transit · Estimated delivery 5–8 business days

SKU: ZAP-AMP-HB154DII-4CHD

Overview

Built for the install, not the spec sheet

Committed to Excellence. The HB Blue Note series is Zapco's modern DSP-amplifier line, uniting processing, amplification and connectivity in integrated packages. It represents the brand's forward-looking tier, engineered for the all-in-one builds of today.

Configured as Class D 4-Channel, the HB 154D II is rated at 4x150W @4Ω, 4x200W @2Ω. It is 4Ω / 2Ω stable.

Ideal for a clean integrated upgrade, it pairs naturally with ESB 4000 and 5000 Series speakers.

Specifications

Measured, not marketed

Features

Configuration	4-Channel Full Range
Amplifier Class	Class D
Inputs	RCA and Speaker Level
Input Gain	Variable
Crossover	Variable Electronic

Electrical

Configuration	4-Channel Class D
Power @ 4Ω	4 × 150W RMS
Power @ 2Ω	4 × 200W RMS
Power Bridged @ 4Ω	2 × 350W RMS
THD @ Rated Power	< 0.5%
THD + Noise	< 0.1%
Signal to Noise Ratio	> 90dB
Frequency Response	20Hz – 20kHz ±1dB
Input Sensitivity	0.25V – 6V (Low Level)