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Harmony HB 104D II
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HB 104D II

4-Ch. Class D Amp, 4 x 150W (2 Ohm)

$309.99MSRP · USD

The HB 104D II is a 4-channel Class D amplifier delivering 4 × 100 W RMS at 4 Ω, 4 × 150 W RMS at 2 Ω, and 2 × 250 W RMS bridged at 4 Ω. It accepts both RCA low-level and high-level inputs and features an LP/Full/HP electronic crossover with adjustable frequency for precise speaker matching. Gain control spans 0.25 V to 6 V for optimal output-level adjustment.

Key Features

  • 4-channel Class D amplifier: 4 × 150 W RMS at 2 Ω
  • Bridgeable: 2 × 250 W RMS at 4 Ω
  • LP / Full / HP electronic crossover, 30 Hz – 250 Hz
  • RCA low-level and high-level inputs
  • Gain control: 0.25 V – 6 V
  • Input impedance 22 kΩ, input sensitivity 250 mV – 6 V

Power Output

RMS Power (4 Ω)4 × 100 W
RMS Power (2 Ω)4 × 150 W
RMS Power (4 Ω Bridged)2 × 250 W
Amplifier ClassClass D
Channels4

Performance

S/N Ratio> 90 dB
THD< 0.1%
Frequency Response20 Hz – 20 kHz
Input Impedance22 kΩ
Input Sensitivity250 mV – 6 V
Supply Voltage12 V – 14.4 V

Connectivity / Controls

RCA Inputs4-Channels
High-Level Inputs4-Channels
Gain Control6 V – 0.25 V
CrossoverHP / Full / LP
Crossover Frequency30 Hz – 250 Hz

Dimensions

Unit Dimensions170 × 115 × 45.5 mm (L × W × H)

Product Details

BrandHarmony
SeriesBlue Note
ModelHB 104D II
SKUHB104DII
EAN8033373006623
Inquire to Order More Blue Note

Genuine product · Authorized U.S. dealer · Drop-shipped direct

Documentation

Product Information at Zapco.com