JVC KS-DR2104DBT Compact 4-Channel Amplifier with Bluetooth

4-Channel Compact Digital Amplifier featuring Bluetooth for Compact Car, Marine, UTV and Motorcycle / Max Power 600W / 50W RMS x 4 @ 4 ohms

Specifications
Audio unit
Max Power Output    600W
Rated Power Output    Stereo (4Ω)    50W x 4 (20Hz–20kHz, ≤1.0% THD)
Stereo (2Ω)    75W x 4 (1kHz, ≤1.0% THD)
Bridged (4Ω)    150W x 2 (1kHz, ≤1.0% THD)
Speaker Impedance    4Ω (2Ω to 8Ω allowable)
(Bridged connection: 4Ω to 8Ω allowable)
Frequency response (+0, –3dB)    10Hz–20kHz
Signal to noise ratio    89dB
Low pass filter frequency (–12dB/oct.)    50Hz–200Hz (variable)
High pass filter frequency (–12dB/oct.)    50Hz–200Hz (variable)
Preout    5V (Max)
Bluetooth
Version    Bluetooth Ver.5.0
Frequency range    2,402GHz–2,480GHz
RF output power (E.I.R.P.)    +4dBm (Max.), Power Class 2
Profile    A2DP (Advanced Audio Distribution Profile)
AVRCP (Audio/Video Remote Control Profile)
General
Operating voltage    12V DC car battery
Current consumption    26A
Operational temperature range    –10°C – 60°C
Dimensions (W × H × D)    7-13/16" x 1-15/16" x 4-1/8"
Weight    1.6kg (3.5lbs)
Waterproof & Dustproof    IP66, IP67