Question about Jensen LXA300 Car Audio Amplifier

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1000w fli sub has 5 wires on high level input. What do these wires connect to?

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  • blueextc3221
    blueextc3221 May 11, 2010

    Please clarify the question. The Subject of the question is in regards to an amplifier, and the body says sub.

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Also called speaker level inputs, an input on an amplifier specifically designed for higher voltage and lower impedance signals, typically between 1.2 to 12 volts and 4 to 8 ohms, as found on the outputs of low powered speaker connections. Hi-level inputs are commonly used as an easy and convenient upgrade path to connect factory-installed head units to after-market amplifiers.
high level inputs are less subjected to interference and can travel further without signal loss.
Factory radios do not have dedicated outputs for amplifiers (preamp outputs). So you'll want an amplifier with speaker-level (often called high-level) inputs; these inputs enable you to tap into the factory speaker wires for a signal flow.
They're called high-level inputs because the voltage level is significantly higher than with a standard preamp output connection. These inputs convert the high voltage to one the amplifier can handle. Once connected, you'll hear clean, well-defined sound (including the lyrics to your favorite song).
Speaker-level inputs are a standard of many two- and four-channel, and mono subwoofer amplifiers.
All the power wires no the amp will be ran the same with the exception of the remote turn on wire. +12v constant will still go to the battery(properly fused with 12" of the battery!), and the ground will still go to the chassis. You can hook the remote turn on to the +12v ignition wire behind the radio, or the equivilent fuse in the fuse box. I would not recomend hooking it up to the pwr ant wire on the stock deck as it often goes off when the radio is off, or cd is playing.

As I said, most cars have no issues with any of this, but cars with "PREMIUM SOUND" systems often do not mesh well with aftermarket equipment. Fords JBL or chrystlers infinity (And bose in darn near anything!) are often cause issues. Sometimes you can easily bypass this system(Ford), sometimes you have little choice but to rip it all out and start fresh(Bose). I can walk you through the scenarios for most makes and models, but certainly do not have the time or patience to give every one. Hit me up on the forum and I will be happy to help you further....

Posted on Jan 03, 2009

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Its a plug fuckin idiot

Posted on Jul 15, 2009

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1 Answer

I want to hook up a slim sub for my truck using this amp. how can I do that? Because this amp plays everything not just the bass


You will need to connect the low level input leads from the head unit to the amplifier (they are RCA cables). If there are no low level leads from the head unit, you will need to connect the wires from the speakers directly into the high level inputs using a wiring harness which should have been included with the amp. It should include a wiring diagram. You will need to use that diagram in conjunction with the truck's wiring diagram in order to know which wires to connect. They are color coded and once you have the vehicle wiring diagram (which can be downloaded by searching for it on google.com), it should be easy to determine which wires to connect.

Mar 04, 2011 | Audiovox AMP610 Car Audio Amplifier

3 Answers

Another conundrum


To check for yourself, get an Ohmmeter and see if the outers of the amplifiers RCAs are connected to the ground or each other. If so then it cannot take speaker signals directly.
I suspect the 'High Level' the manual speaks of are the 4volt auxilliary audio signals that can be found on some newer head units, not speaker signals.
Speaker level signals from a bridge amp CAN be used on grounded RCA inputs if the signal is first passed through a simple decoupler and attenuator.
Diagram to explain....
c26567f.jpg

Nov 22, 2007 | Infinity 475A Car Audio Amplifier

2 Answers

Can i bridge a Sony Xm-1652Z 2 Channel amp to 2 subs it gives me 2ohms


No - it is not 2 ohm mono stable

  • 1000W max power
  • 165W x 2, 20Hz - 20kHz, @ 0.04% THD + N, at 4 Ohms
  • 200W x 2, 20 - 20kHz, @ 0.15% THD + N, at 2 Ohms
  • 400W x 1, 20Hz - 20kHz, @ 0.1% THD + N, at 4 Ohms
  • OTL (Output Transformerless) circuit
  • Pulse power supply
  • Line & High Level Inputs
  • .3-6V Level Adjustment Control (RCA Pin Jacks) 1.2-12V (High Level Input)
  • 80 Hz, -18dB/octave Low Pass Filter Switch



Thanks for using FixYa - a 4 THUMBS rating is appreciated for answering your FREE question.

Sep 13, 2010 | Sony Xplod XM-1652Z Car Audio Amplifier

1 Answer

What speaker componets do need to buy?


  • 1000W max power
  • 165W x 2, 20Hz - 20kHz, @ 0.04% THD + N, at 4 Ohms
  • 200W x 2, 20 - 20kHz, @ 0.15% THD + N, at 2 Ohms
  • 400W x 1, 20Hz - 20kHz, @ 0.1% THD + N, at 4 Ohms
  • OTL (Output Transformerless) circuit
  • Pulse power supply
  • Line & High Level Inputs
  • .3-6V Level Adjustment Control (RCA Pin Jacks) 1.2-12V (High Level Input)
  • 80 Hz, -18dB/octave Low Pass Filter Switch
And i would say that the best use of this amplifier would be for sub-woofers.

Feb 19, 2010 | Sony Xplod XM-1652Z Car Audio Amplifier

1 Answer

Fosgate 201s amp, high level inputs... where do i hook these wires....


Hello mhjoubert,

On the Punch 201s, the high-level inputs are located just below the gain control. When used to power a sub, most commonly these are connected to the rear speaker wires of your receiver. If the amp is used to power a set of normal speakers, you would connect them to whichever set of speaker wires you intend to power.

Actually, it's probably a better idea to install a low-level converter on the receiver speaker wires and then use the RCA connections for input. This way, you have better control on the input signal, lessen the possibility of induced noise, and do not need to worry about an impedance mismatch causing problems.

You can download a copy of the Rockford-Fosgate manual here:

http://www.rockfordfosgate.com/scripts/rightnow.cfg/php.exe/enduser/std_adp.php?p_sid=ZLxer3vj&p_lva=&p_faqid=303&p_created=1083264761&p_sp=cF9zcmNoPTEmcF9ncmlkc29ydD0mcF9yb3dfY250PTEmcF9zZWFyY2hfdGV4dD0yMDFzJnBfc2VhcmNoX3R5cGU9MyZwX3Byb2RfbHZsMT1_YW55fiZwX3Byb2RfbHZsMj1_YW55fiZwX2NhdF9sdmwxPX5hbnl_JnBfY2F0X2x2bDI9fmFueX4mcF9zb3J0X2J5PWRmbHQmcF9wYWdlPTE*&p_li=

Hope this helps.

Apr 11, 2009 | Stingpro ST444 1850 Watts Complete...

1 Answer

Sony amp model 1652z


1000W max power
<b>
165W x 2, 20Hz - 20kHz, @ 0.04% THD + N, at 4 Ohms
200W x 2, 20 - 20kHz, @ 0.15% THD + N, at 2 Ohms
400W x 1, 20Hz - 20kHz, @ 0.1% THD + N, at 4 Ohms
</b>
OTL (Output Transformerless) circuit
Pulse power supply
Line & High Level Inputs
.3-6V Level Adjustment Control (RCA Pin Jacks) 1.2-12V (High Level Input)
80 Hz, -18dB/octave Low Pass Filter Switch

Jan 15, 2009 | Sony Xplod XM-1652Z Car Audio Amplifier

1 Answer

Sony xplod amp xm-1652z high level input connection


First off, if you're using RCA preamp connections from the head unit to the amp, you don't need to put anything into the high level input connector. But if your head unit doesn't have RCA preamp outputs, then connect the front left to the white (+) and white/black stripped (-) wires and the front right to the grey (+) and grey/black stripped (-) wires. There is no need to connect the rear speaker outputs of the head unit to the high level input of the amp.

Apr 17, 2008 | Sony Xplod XM-1652Z Car Audio Amplifier

1 Answer

Sub power hadling capacity


Yes. If the rated power is 380W and the Max power is 1000W then it will handle it. Subs fry when clipping occurs. Clipping is when the amplifier is pushed past its capabilities and the output to the sub gets "dirty". The better quality the amp, the safer it will be on your speakers. It is also important to remember that the gain control on the amplifier is NOT a volume control to boot the sound, it is only to match the output from the headunit to the input handling of the amp. Cranking the gain up too much WILL CAUSE CLIPPING.

Jan 04, 2008 | Sony Xplod XM-1652Z Car Audio Amplifier

1 Answer

Subwoofer Wont Work


If the connections are correct...?
then it doesn't sound like theres a problem with the amp.

make sure the amp is not to powerful for the sub?
eg: 1000w amp, 500w sub.

Sounds stupid but it happens.

make sure the gain / volume is not too high!

if your BMW has a totally sealed, metal boot area this doesn't help.

Dec 11, 2007 | Sony XM-2150GSX Car Audio Amplifier

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