Bang for the buck 4×6.5 inc includes 4pcs DD Audio RL-X6.5 speakers and a SoundQubed P4-75 amplifier.
RL-X6.5:
DD Audio’s REDLINE series speakers are designed for the easiest installation possible. Affordable coaxial that sounds significantly better than what is used to in this price range! Features: – 6.5″ 2-way coaxial speaker – 4 ohm – 13 mm mylar tweeter – frequency range: 75 – 20,000 Hz – Protective grilles included
SoundQubed P4-75:
The SoundQubed P4-75 is a very compact 4-channel full-range class D amplifier.
The physical size of these amplifiers is very small, so installation is painless in almost any car.
The amplifiers also have speaker-level inputs, so you can connect them to the car’s original music system.
Despite their small size, these amplifiers contain many useful features and a lot of power without compromising on sound quality!
– Excellent sound quality
– High level input
– RCA input
– LPF / HPF
– Sturdy connection terminals
– High efficiency
RLX6.5:
Speaker Size (In):6.5
Tweeter Size (MM):13
Watts RMS:65 – 225
Impedance:S4
VCD (MM):25
Frequency Response (Hz):75 – 20k
dBSPL:88
Mounting Diameter (In):5.6
Mounting Diameter (MM):143
Mounting Depth (In):2.3
Mounting Depth (MM):58.5.
SoundQubed P4-75:
Operating voltage: 10-16V
Test Voltage: 14.4V
Channels: 4
Cont wattage @4 ohms: 4x 65w / 2x 120w
Cont wattage @2 ohms: 4x75w
Dynamic wattage: 600w
Max current draw ( amps ): 30A
RCA input sensitivity: 6 – 2.5V
High level input sensitivity: 20 – 1.1V
S/N Ratio (dB) 85
Damping factor: 70
Frequency response: 10 – 30000Hz
THD: 0.1%
High pass filter: 35 – 250Hz
Subsonic filter: 35 – 250Hz
Low pass filter: 35 -250Hz
Dimensions: 6.69 x 386 x 1.67 inches.





