ss serinya bnyk sy jd bingung mn yg bgs,speknya hampir sama dengan picasso dan lil wonder<bagusan yg mana ya?
ada yg perna make power ini?
ini masi usa ato udah gak ya?

4-Channel Amplifier [XTA480.4]
Features:

* Bi-linear selectable crossovers for inputs and outputs (Hi/Full/Low)
* Continuously variable high and low-pass crossovers
* Variable subwoofer equalizer
* Phase inversion switch (0 - 180)
* Platinum 4-gauge power connectors
* Tri-mode operation

Specs:

* 4-Channels
* 60x4 Watts RMS @ 4ohms
* 120x4 Watts RMS @ 2ohms
* 240x2 Watts RMS @ 4ohms Bridged
* T.H.D.: 0.05%
* Freq. Response: 10Hz-30kHz
* S/N Ratio: Greater Than 96dB
* Damping Factor: Greater Than 200
* Input Sensitivity: 200mV
* Crossover Slopes: 12dB
* High-Pass Crossover Freq: 30-500Hz
* Low-Pass Crossover Freq: 30-150Hz
* Subwoofer EQ: 0-18dB
* Dimensions (Inches): 13.8 x 10 x 2.5