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<blockquote data-quote="egold" data-source="post: 5274021" data-attributes="member: 604564">This is what I&#039;ve found so far. It seems the hifonics and mb quart are made by the same company. The hifonics and powerbass which I have now is the least expensive around around 160.00 the others are around 225.00which ones do you likeThanksKicker zx 700.5•&nbsp; Amplifier Type 5 Channels•&nbsp; RMS Power (4 ohms) 70 watts x 4 chan. + 210 watts x 1 chan.•&nbsp; RMS Power (2 ohms) 85 watts x 4 chan. + 420 watts x 1 chan.•&nbsp; RMS Power (1 ohm) Not Stable•&nbsp; Bridged RMS Power 130 watts x 2 chan. + 420 watts x 1 chan. (at 2 ohms)•&nbsp; Peak Power Output N/A•&nbsp; Min. Impedance Unbridged 2 ohms•&nbsp; Min. Impedance Bridged 4 ohms•&nbsp; THD @ Rated RMS Power 1%•&nbsp; Speaker Level Inputs Yes•&nbsp; Built-in Crossover Yes - LP/Full/HP•&nbsp; High-Pass Crossover 50 - 200Hz•&nbsp; Low-Pass Crossover 50 - 200Hz•&nbsp; Subsonic Filter N/A•&nbsp; Signal-to-Noise Ratio 95 dB•&nbsp; Channel Separation N/A•&nbsp; Bass Boost 0 - 18dB (subwoofer channel only)•&nbsp; Bass/Gain Remote Yes (for subwoofer channel only)•&nbsp; Fan Cooled N/A•&nbsp; Fuse Rating 30A x 3•&nbsp; Bass Boost Remote Control: 0 - 18dB at 40Hz•&nbsp; CEA-2006 Compliant•&nbsp; 24dB per octave Crossover: Active at 50Hz - 200Hz, High Pass, Low Pass, or Full-Pass selectable•&nbsp; Dimensions: 20&quot;L x 9 5/8&quot;W x 2 1/8&quot;HMB QUART PAB-5400•&nbsp; 5-Channel Amplifier•&nbsp; Focused mass aluminium heat sink•&nbsp; RMS Power Rating:•&nbsp; &nbsp; 4 ohms: 55 watts x 4 CH. + 200 watts x 1 CH (subwoofer channel)•&nbsp; &nbsp; 2 ohms: 85 watts x 4 CH. + 300 watts x 1 CH (subwoofer channel)•&nbsp; Ultra-flexible and variable adjustable active crossover network•&nbsp; Vario bass equalizer circuit up to +18 dB•&nbsp; 24 dB subsonic filter•&nbsp; Full range preamp outputs for easy daisy chaining of additional amplifiers•&nbsp; MB QUART-Logo with illuminated red rectangle•&nbsp; Wire concealing detachable end panels•&nbsp; Frequency Response (-3 dB) : 10 Hz - 30 kHz•&nbsp; Damping Factor: 200•&nbsp; Signal To Noise Ratio : &amp;gt;95 dB•&nbsp; THD : 0.05%•&nbsp; Channel Separation : &amp;gt;70 dB•&nbsp; Input Signal : 0.2 - 6.0 V•&nbsp; Crossover S/W : LP.BP/Full/HP•&nbsp; Variable Hi-pass / Subsonic Filter : 10 ~ 150 Hz•&nbsp; Variable Low-Pass (mono 24 dB) : 30 ~ 150 Hz Full range•&nbsp; Bass Boost at 45 Hz : 1 ~ 9 dB•&nbsp; Remote bass level control MBQR-1 to control bass level included•&nbsp; Dimensions: 21.42&quot; L x 10.4&quot; W x 2.25&quot; HHIFONICS ZEUS ZXI8008•&nbsp; Zeus ZXi Series 5-Channel Class AB Car Amplifier•&nbsp; RMS Power Rating:•&nbsp; &nbsp; 4 ohms: 55 watts x 4 chan. + 200 watts x 1 chan.•&nbsp; &nbsp; 2 ohms: 110 watts x 4 chan. + 300 watts x 1 chan.•&nbsp; &nbsp; Bridged, 4 ohms: 220 watts x 2 chan. + 200 watts x 1 chan.•&nbsp; Pulse width modulated (PWM) MOSFET power supply•&nbsp; LED power and protection indicators•&nbsp; Tuned Bass EQ (0-10 dB bass boost at 45 Hz)•&nbsp; Variable input control•&nbsp; 5/4/2 Channel operation•&nbsp; Soft turn-on circuitry•&nbsp; DC, short, thermal, and overload protection circuitry•&nbsp; Heavy duty aluminum alloy heatsink•&nbsp; Chrome-plated RCA level inputs•&nbsp; Chrome-plated screw terminals•&nbsp; Variable high-pass filter (50-4000 Hz, 24 dB/octave)•&nbsp; Variable low-pass filter (250-4000 Hz, 24 dB/octave)•&nbsp; Channel 5 variable low-pass filter (30-150 Hz, 24 dB/octave)•&nbsp; Frequency response: 10-30000 Hz•&nbsp; Dimensions: 15.98&quot;L x 9.45&quot;W x 2.4&quot;H•&nbsp; 1 Year WarrantyPOWERBASS ASA-700.54 ohm Power : 50W x 4 + 200 x 1• 2 ohm Power : 100W x 4 + 400 x 1• 4 ohm Mono Power : 200W x 2 + 400 x 1• Peak Power : 1400W• Total Harmonic Distortion :• Frequency Response : 20Hz - 22,000Hz• S/N Ratio : &amp;gt;94 dB/W/M• Damping Factor : &amp;gt;150• Input Sensitivity : 0.5 - 4.0 volts• Crossover Slope : 12 dB• High-Pass Crossover Freq : 40Hz - 250Hz• Low-Pass Crossover Freq : 40Hz - 250Hz• Variable Subwoofer EQ : 0/+18 dB• Subwoofer EQ Frequency : 40Hz• Dimensions : 14.9&quot; x 9.3&quot; x 1.9&quot;</blockquote>

[QUOTE="egold, post: 5274021, member: 604564"] This is what I've found so far. It seems the hifonics and mb quart are made by the same company. The hifonics and powerbass which I have now is the least expensive around around 160.00 the others are around 225.00 which ones do you like Thanks Kicker zx 700.5 • Amplifier Type 5 Channels • RMS Power (4 ohms) 70 watts x 4 chan. + 210 watts x 1 chan. • RMS Power (2 ohms) 85 watts x 4 chan. + 420 watts x 1 chan. • RMS Power (1 ohm) Not Stable • Bridged RMS Power 130 watts x 2 chan. + 420 watts x 1 chan. (at 2 ohms) • Peak Power Output N/A • Min. Impedance Unbridged 2 ohms • Min. Impedance Bridged 4 ohms • THD @ Rated RMS Power 1% • Speaker Level Inputs Yes • Built-in Crossover Yes - LP/Full/HP • High-Pass Crossover 50 - 200Hz • Low-Pass Crossover 50 - 200Hz • Subsonic Filter N/A • Signal-to-Noise Ratio 95 dB • Channel Separation N/A • Bass Boost 0 - 18dB (subwoofer channel only) • Bass/Gain Remote Yes (for subwoofer channel only) • Fan Cooled N/A • Fuse Rating 30A x 3 • Bass Boost Remote Control: 0 - 18dB at 40Hz • CEA-2006 Compliant • 24dB per octave Crossover: Active at 50Hz - 200Hz, High Pass, Low Pass, or Full-Pass selectable • Dimensions: 20"L x 9 5/8"W x 2 1/8"H MB QUART PAB-5400 • 5-Channel Amplifier • Focused mass aluminium heat sink • RMS Power Rating: • 4 ohms: 55 watts x 4 CH. + 200 watts x 1 CH (subwoofer channel) • 2 ohms: 85 watts x 4 CH. + 300 watts x 1 CH (subwoofer channel) • Ultra-flexible and variable adjustable active crossover network • Vario bass equalizer circuit up to +18 dB • 24 dB subsonic filter • Full range preamp outputs for easy daisy chaining of additional amplifiers • MB QUART-Logo with illuminated red rectangle • Wire concealing detachable end panels • Frequency Response (-3 dB) : 10 Hz - 30 kHz • Damping Factor: 200 • Signal To Noise Ratio : >95 dB • THD : 0.05% • Channel Separation : >70 dB • Input Signal : 0.2 - 6.0 V • Crossover S/W : LP.BP/Full/HP • Variable Hi-pass / Subsonic Filter : 10 ~ 150 Hz • Variable Low-Pass (mono 24 dB) : 30 ~ 150 Hz Full range • Bass Boost at 45 Hz : 1 ~ 9 dB • Remote bass level control MBQR-1 to control bass level included • Dimensions: 21.42" L x 10.4" W x 2.25" H HIFONICS ZEUS ZXI8008 • Zeus ZXi Series 5-Channel Class AB Car Amplifier • RMS Power Rating: • 4 ohms: 55 watts x 4 chan. + 200 watts x 1 chan. • 2 ohms: 110 watts x 4 chan. + 300 watts x 1 chan. • Bridged, 4 ohms: 220 watts x 2 chan. + 200 watts x 1 chan. • Pulse width modulated (PWM) MOSFET power supply • LED power and protection indicators • Tuned Bass EQ (0-10 dB bass boost at 45 Hz) • Variable input control • 5/4/2 Channel operation • Soft turn-on circuitry • DC, short, thermal, and overload protection circuitry • Heavy duty aluminum alloy heatsink • Chrome-plated RCA level inputs • Chrome-plated screw terminals • Variable high-pass filter (50-4000 Hz, 24 dB/octave) • Variable low-pass filter (250-4000 Hz, 24 dB/octave) • Channel 5 variable low-pass filter (30-150 Hz, 24 dB/octave) • Frequency response: 10-30000 Hz • Dimensions: 15.98"L x 9.45"W x 2.4"H • 1 Year Warranty POWERBASS ASA-700.5 4 ohm Power : 50W x 4 + 200 x 1 • 2 ohm Power : 100W x 4 + 400 x 1 • 4 ohm Mono Power : 200W x 2 + 400 x 1 • Peak Power : 1400W • Total Harmonic Distortion : • Frequency Response : 20Hz - 22,000Hz • S/N Ratio : >94 dB/W/M • Damping Factor : >150 • Input Sensitivity : 0.5 - 4.0 volts • Crossover Slope : 12 dB • High-Pass Crossover Freq : 40Hz - 250Hz • Low-Pass Crossover Freq : 40Hz - 250Hz • Variable Subwoofer EQ : 0/+18 dB • Subwoofer EQ Frequency : 40Hz • Dimensions : 14.9" x 9.3" x 1.9" [/QUOTE]

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