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MA Audio HK401SX Opinions
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<blockquote data-quote="bigt" data-source="post: 2248975" data-attributes="member: 565182"><p>Sorry, im somewhatof a newb, but whats the difference with 17v, and also is the AB just different efficentcies ? because I know D is the most efficent? I am comparing it to a hifonics bxi2600d and I can get them for the same price so please fill me in. Here are the specs....</p><p></p><p>MA-$300</p><p></p><p>* RMS Power Range : 500-1800 Watts</p><p></p><p>* Number Of Channels: 1</p><p></p><p>* Low Frequency response: 20 Hz</p><p></p><p>* High Frequency Response: 20000 Hz</p><p></p><p>* Built In Crossovers: Yes</p><p></p><p>* Channel Separation: Yes</p><p></p><p>Features</p><p></p><p>* 500W X 1RMS @ 4 Ohm Mono Power Handling</p><p></p><p>* 650W X 1RMS @ 2 Ohm Mono Power Handling</p><p></p><p>* 1200W X 1RMS @ 1 Ohm Mono Power Handling</p><p></p><p>* 1800W X 1RMS @ 0.5 Ohm Mono Power Handling</p><p></p><p>* Frequency Response: 20-20kHz</p><p></p><p>* 40-250Hz Variable High Pass Crossover</p><p></p><p>* 40-250Hz Variable Low Pass Crossover</p><p></p><p>* 24dB Subsonic Filter</p><p></p><p>* Impedance: 10 Ohms</p><p></p><p>* Channel Separation: 60dB</p><p></p><p>* 0-18 dB Variable Bass Boost</p><p></p><p>* S/N Ratio: &gt;90dB</p><p></p><p>* Digital LCD Display (Voltage, Temperature &amp; Output Level)</p><p></p><p>* Platinum Plated Connections</p><p></p><p>* High Quality Power &amp; Protection LED?s</p><p></p><p>* Quiet Fan Cooling System</p><p></p><p>* Thermal / Short / Overload Protection Circuitry</p><p></p><p>* Remote Bass Control</p><p></p><p>Hifonics-$340</p><p></p><p>* Super D-Class Monoblock Amplifier</p><p></p><p>* RMS Power Ratings:</p><p></p><p>o 1 ohm: 2000 watts x 1 channel</p><p></p><p>o 2 ohms: 1300 watts x 1 channel</p><p></p><p>o 4 ohms: 650 watts x 1 channel</p><p></p><p>* BXi AccuCross™ active electronic cross-over permits full adjustment of:</p><p></p><p>o Bass EQ, Subsonic Filter, Low-Pass &amp; Phase Shift features</p><p></p><p>* RCA Input level control permits matching the amplifier input level (gain) to the CD/Receivers output level. Or the Balanced Input will accept BLD Line-Driver levels from 4 to 18-volts.</p><p></p><p>* The Brutus BXi bass remote controls the subwoofer output signal from the drivers seat.</p><p></p><p>* For multi-amp daisy chaining, the RCA line inputs transfer the pure untouched audio signal directly to the line output RCA jacks, bypassing any crossover settings</p><p></p><p>* Hifonics New Illuminated Heat-Sink Design With Blue LED Light Pumps</p><p></p><p>* Hifonics Blue Illuminated Logo</p><p></p><p>* Maxxsonics Illuminated "M" End Panel Logo</p><p></p><p>* Heavy-Duty Ultra-Fi™ MOSFETS</p><p></p><p>* Highly Efficient Super D-Class Amplifier Circuitry With Oversized MOSFET Output</p><p></p><p>* Fully Adjustable Accu-Cross™ Crossovers</p><p></p><p>* ±18dB Variable Bass Equalization @ 45Hz</p><p></p><p>* 180° Variable Phase Control (15 to 35Hz)</p><p></p><p>* Dash-Mountable Bass Remote Control Included</p><p></p><p>* Variable 24dB Subsonic Filter</p><p></p><p>* Brutus Pulse Wave Modulated MOSFET EXVP (Exponential Vari-Power Supply)</p><p></p><p>* Twin-Turbo Torroid Coil Design</p><p></p><p>* HSMD Hifonics Surface Mount Design</p><p></p><p>* Balance Line Inputs for our 18-Volt Line Drivers</p><p></p><p>* RCA Line Output for Amplifier Daisy Chaining</p><p></p><p>* Gold Oversized 2-Gauge Power Connectors</p><p></p><p>* Dimensions: 16.50"L x 10.39"W x 2.63"H</p><p></p><p>* 1-year Sonic Electronix warranty</p><p></p><p>Amplifier Specifications:</p><p></p><p>* Number of Channels 1 - Mono</p><p></p><p>* RMS Power (4 ohms) 650 watts x 1 chan.</p><p></p><p>* RMS Power (2 ohms) 1300 watts x 1 chan.</p><p></p><p>* RMS Power (1 ohm) 2000 watts x 1 chan.</p><p></p><p>* Bridged RMS Power Not Bridgeable</p><p></p><p>* Peak Power Output N/A</p><p></p><p>* Min. Impedance Unbridged 1 ohm</p><p></p><p>* Min. Impedance Bridged Not Bridgeable</p><p></p><p>* THD @ Rated RMS Power</p><p></p><p>* Speaker Level Inputs Yes</p><p></p><p>* Amp Preamp Outputs Yes - 1 Pair</p><p></p><p>* Built-in Crossover Yes - LP</p><p></p><p>* High-Pass Crossover N/A</p><p></p><p>* Low-Pass Crossover 35 - 250 Hz</p><p></p><p>* Subsonic Filter 15 - 50 Hz</p><p></p><p>* Signal-to-Noise Ratio &gt;95 dB</p><p></p><p>* Channel Separation N/A</p><p></p><p>* Bass Boost 0 - 18 dB</p><p></p><p>* Bass/Gain Remote Yes</p><p></p><p>* Fan Cooled N/A</p><p></p><p>* Fuse Rating N/A</p><p></p><p>* Warranty 1-year SE</p></blockquote><p></p>
[QUOTE="bigt, post: 2248975, member: 565182"] Sorry, im somewhatof a newb, but whats the difference with 17v, and also is the AB just different efficentcies ? because I know D is the most efficent? I am comparing it to a hifonics bxi2600d and I can get them for the same price so please fill me in. Here are the specs.... MA-$300 * RMS Power Range : 500-1800 Watts * Number Of Channels: 1 * Low Frequency response: 20 Hz * High Frequency Response: 20000 Hz * Built In Crossovers: Yes * Channel Separation: Yes Features * 500W X 1RMS @ 4 Ohm Mono Power Handling * 650W X 1RMS @ 2 Ohm Mono Power Handling * 1200W X 1RMS @ 1 Ohm Mono Power Handling * 1800W X 1RMS @ 0.5 Ohm Mono Power Handling * Frequency Response: 20-20kHz * 40-250Hz Variable High Pass Crossover * 40-250Hz Variable Low Pass Crossover * 24dB Subsonic Filter * Impedance: 10 Ohms * Channel Separation: 60dB * 0-18 dB Variable Bass Boost * S/N Ratio: >90dB * Digital LCD Display (Voltage, Temperature & Output Level) * Platinum Plated Connections * High Quality Power & Protection LED?s * Quiet Fan Cooling System * Thermal / Short / Overload Protection Circuitry * Remote Bass Control Hifonics-$340 * Super D-Class Monoblock Amplifier * RMS Power Ratings: o 1 ohm: 2000 watts x 1 channel o 2 ohms: 1300 watts x 1 channel o 4 ohms: 650 watts x 1 channel * BXi AccuCross™ active electronic cross-over permits full adjustment of: o Bass EQ, Subsonic Filter, Low-Pass & Phase Shift features * RCA Input level control permits matching the amplifier input level (gain) to the CD/Receivers output level. Or the Balanced Input will accept BLD Line-Driver levels from 4 to 18-volts. * The Brutus BXi bass remote controls the subwoofer output signal from the drivers seat. * For multi-amp daisy chaining, the RCA line inputs transfer the pure untouched audio signal directly to the line output RCA jacks, bypassing any crossover settings * Hifonics New Illuminated Heat-Sink Design With Blue LED Light Pumps * Hifonics Blue Illuminated Logo * Maxxsonics Illuminated "M" End Panel Logo * Heavy-Duty Ultra-Fi™ MOSFETS * Highly Efficient Super D-Class Amplifier Circuitry With Oversized MOSFET Output * Fully Adjustable Accu-Cross™ Crossovers * ±18dB Variable Bass Equalization @ 45Hz * 180° Variable Phase Control (15 to 35Hz) * Dash-Mountable Bass Remote Control Included * Variable 24dB Subsonic Filter * Brutus Pulse Wave Modulated MOSFET EXVP (Exponential Vari-Power Supply) * Twin-Turbo Torroid Coil Design * HSMD Hifonics Surface Mount Design * Balance Line Inputs for our 18-Volt Line Drivers * RCA Line Output for Amplifier Daisy Chaining * Gold Oversized 2-Gauge Power Connectors * Dimensions: 16.50"L x 10.39"W x 2.63"H * 1-year Sonic Electronix warranty Amplifier Specifications: * Number of Channels 1 - Mono * RMS Power (4 ohms) 650 watts x 1 chan. * RMS Power (2 ohms) 1300 watts x 1 chan. * RMS Power (1 ohm) 2000 watts x 1 chan. * Bridged RMS Power Not Bridgeable * Peak Power Output N/A * Min. Impedance Unbridged 1 ohm * Min. Impedance Bridged Not Bridgeable * THD @ Rated RMS Power * Speaker Level Inputs Yes * Amp Preamp Outputs Yes - 1 Pair * Built-in Crossover Yes - LP * High-Pass Crossover N/A * Low-Pass Crossover 35 - 250 Hz * Subsonic Filter 15 - 50 Hz * Signal-to-Noise Ratio >95 dB * Channel Separation N/A * Bass Boost 0 - 18 dB * Bass/Gain Remote Yes * Fan Cooled N/A * Fuse Rating N/A * Warranty 1-year SE [/QUOTE]
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