HD4 General Specifications

Type
Powered Bluetooth aptX HD speaker system

Amplifier Type
Class AB

Rated Power Output: 30W RMS per channel (measured in compliance with 16 C.F.R. § 432.3)
Peak Power Output: 60W per channel (AES)
Total Peak Power Output: 120W (AES)

Drivers
4″ aramid fiber woofers

0.75″ silk dome tweeters

Inputs
3.5 mm stereo mini-jack, USB, RCA L/R, Bluetooth

Outputs
RCA variable line-out, 3.5 mm mini-jack headphone out

Input Voltages
110-240 V 50/60 Hz auto-switching

SNR
Greater than 95 dB (typical A-weighted)

THD+N
Less than 0.05% at all power settings

Crosstalk
Less than 50 dB

Frequency Response
60 Hz-22 kHz ±1.5 dB

Frequency Response w/ Bass Reduction Switch selected
N/A

Analog Input Impedence
N/A

Nominal Impedence
N/A

Input Impedence
5K ohms unbalanced

Crossover Frequency
N/A

Protection
Output current limiting, thermal over-temperature, power on/off transient protection

Power Consumption
Idle: 10W

Standby Consumption
N/A

Phase
N/A

Recommended Amplifier Power
N/A

Battery Life
N/A

Battery Charge Time
N/A