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Yung SD300 300W Class D Subwoofer Plate Amplifier Module No Boost

Brand:| Model: SD300
Overview
The Yung SD300 300W Class D subwoofer amplifier module produces 300 watts of continuous, honest power, which is enough to drive most home subwoofer speaker systems to very high playback volumes!
Highlights
  • Class D amplifier circuit with switching power supply provides excellent efficiency
  • Capable of sustained, continuous output without thermal shutdown
  • Built-in limiter circuit protection prevents peak overloads
  • Low-level, high-level, and LFE inputs for flexible interconnection
  • Manual and automatic on/off mode options
  • Fully adjustable phase, gain, and crossover points ensure system optimization
  • Switchable 115/230V input voltage
Part # 
301-508
Weight: 3.7 lbs.  
IN STOCK
List Price$229.99
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Your Price
$139.88
Part # 301-508
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Product Details

Yung SD300 300W Class D Subwoofer Plate Amplifier Module No Boost

Yung International's SD Series Class D subwoofer power amplifiers are equipped with the unique ability to operate continuously at full rated output—a performance attribute not shared by most home audio amp designs. The benefits of this remarkable reserve capacity include solid, punchy dynamic range and fewer "nuisance" shutdowns when operated at sustained high levels.

The amplifiers are also extremely compact, lightweight, and cool-running, allowing users to enjoy the advantages of compact system form factors and flexibility of placement. An internal peak limiting circuit prevents amplifier overload, and protection against internal and external faults is also provided. Input power requirements are user configurable to either 115 VAC or 230 VAC line voltage.

Room optimization and system integration are accomplished easily, thanks to the SD Series amps' inclusion of fully variable level, crossover frequency, and phase controls. Signal input is connected via dual RCA-type jacks, including the means to accept the output of an A/V receiver's LFE output, and dual RCA jacks are also provided to facilitate line level loop-through. The amplifier also accepts high (or speaker) level input signals through binding post terminals. When in standby mode, the amp's full active operation is engaged by signal presence of less than 1/2 watt.

Specifications: • Measured power output: 300 watts RMS into 4 ohms @ < 1.0% THD • Signal to noise ratio (at rated power): >90 dB • Input sensitivity (@ low level): 210 mV/50 Hz • Input sensitivity (@ high level): 3.0V/50 Hz • Low pass adjustment: 40 Hz to 200 Hz • Phase adjustment: Continuously variable from 0º (normal) to 180º (reverse) • Power requirements: Switchable, 115/230 VAC, 50/60 Hz • Dimensions: 10" W x 7-3/8" H x 2-1/2" D; Cutout dimensions: 9-1/4" W x 6-5/8" H.



Yung SD300 300W Class D Subwoofer Plate Amplifier Module No Boost
  • BrandYung International
  • ModelSD300
  • Part Number301-508
  • UPC844632095627
  • Product CategorySubwoofer Plate Amplifiers
  • Unit of MeasureEA
  • Product Rating
    (11 Reviews)
  • Weight3.7 lbs.
  • California Prop 65

    Warning: California residents only. Please note per Proposition 65 that this product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.

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Reviews

Yung SD300 300W Class D Subwoofer Plate Amplifier Module No Boost
Yung SD300 300W Class D Subwoofer Plate Amplifier Module No Boost is rated 4.5455 out of 5 by 11.
Rated 5 out of 5 by from Very satisfied!!I purchased this plate amp to replace one in a sub that had quite.After modifying the mounting hole to fit and connecting the sub to my home stereo I am very impressed with the performance of this amp.I only wish is that the dimensions for mounting the plate could be specified.
Date published: 2013-09-22
Rated 5 out of 5 by from Great Plate Amp with All The Features You Need.I paired this up with a Dayton Audio RSS265HF-4 10" Reference HF Subwoofer Driver in a Folded Horn Subwoofer enclosure. This was designed to add slam to upper bass/lower mid range as I already had a Large Folded Horn Subwoofer that is solid into the sub sonic range. The pairing work perfectly. The plate amp has all the features you could want for a sub amp and at a price that is very nice. The electronics are NOT enclosed. I built a simple box for it and glued it to the back of the Folded Horn Subwoofer enclosure.(See Picture)
Date published: 2013-09-17
Rated 2 out of 5 by from Yung SD300Amp came with an internal plug not completely pushed on; it took me a while to figure out why it wasn't working. Sound quality is OK but not as good as I remember the original sounding (a JBL PB10 subwoofer). I like the adjustable phase control rather than just having a switch for 0 or 180 degrees.
Date published: 2013-09-15
Rated 4 out of 5 by from Solid performerProvides plenty of power and very little heat dissipation. I've only had one problem and that is with the auto-on circuit not working very well. Sometimes it never sees the signal. For the times it does see the signal, it takes a long time to recognize and turn on (in the order of 5-15 minutes). Otherwise, it's a great sub amp and the Class D design is great for low power consumption and low heat.One deficiency of this amp though is the high pass filter. It's set at a much higher frequency than comparable amps limiting the low end capability of some designs. The exact amount is unknown since neither Yung nor PE state it anywhere, but some independent tests online indicate it's in the range of 21-25Hz. High compared to others ranging in the 13-17Hz which allow you to make designs for great low end reach and LFE.
Date published: 2013-08-21
Rated 4 out of 5 by from Good value. But lacks phase switch.Good value, lightweight, nice automatic on. But lacks absolute phase switch. Can dial in frequency dependent phase shift, which restores some of the hollow, but it doesn't help you get your mains and sub firing the same direction. Put in a DPDT switch to flip +- on the speaker leads, and its a great deal.
Date published: 2013-08-01
Rated 5 out of 5 by from This amp rocks!I'm using it to replace the burned out amp on my JBL PB10. I modified the enclosure, hooked this amp up and rock out. I can't turn it up over half power or it starts rattling my furniture. It sounds clear and hits hard.
Date published: 2013-07-12

Product Q&A

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who own this product or have experience with it.
If your question requires design or troubleshooting information,
please email tech@parts-expresss.com  for a prompt reply.
Yung SD300 300W Class D Subwoofer Plate Amplifier Module No Boost

Does this have enough power to drive Dayton Audio RSS390HF-4 to its full potential?

Asked by: Big_Louis_1971
This amp will allow the sub to produce a good amount of output but we recommend 500 watts in order to use the full potential of the woofer.
Answered by: MattP
Date published: 2014-07-17

could I use this amp plate too replace my 250 amp inside the PSW-D112 12" powered subwoofer?

Asked by: MarkoPoloism
Yes this will work in terms of power, although you may need to modify the cabinet in order for it to fit properly.
Answered by: MattP
Date published: 2014-06-12

I am looking for a replacement control board for an Epik Legend subwoofer.  I know they are closed and the local repair shop here indicated that it was the control board that is fried.  Which would be the best replacement control board for this model? 

Asked by: TedP
If you are referring to the whole amplifier plate, you will have to find one with similar output power to the original. Chances are we do not have one that will be a perfect fit in the enclosure so that will probably have to be modified. If you are referring to a piece of the original amplifier itself, this is probably not available anywhere now that they are out of business.
Answered by: MattP
Date published: 2014-04-15

There are two wires, one red and one black, that are not connected to anything, clearly visible in the photo of the backside of the amp.  What are these?

Asked by: aeronaut
Those wires connect to the subwoofer itself.
Answered by: MattP
Date published: 2014-03-31

Is there any way to reduce the sensitivity of the speaker level in? I can only turn the volume up to ¼ turn before the onset of speaker bottom out. Aside from this, the little sub works very well. I worry an unsuspecting user will damage the driver

Asked by: ReduceGain
Unfortunately there is no way to adjust the speaker level input sensitivity. If you have the bass boosted or loudness enabled, this will cause the amplifier to overdrive a woofer quite easily.
Answered by: MattP
Date published: 2014-02-24

What is the reason for high level inputs, with no pass through?

I could understand (an need) an amp with high level inputs, which also had high level outputs, but an amp which only has high level inputs (speaker wire from amp) with no way to pick up the signal for your other speakers? Am I missing something here? How do they expect you to power your main speakers? I would like to do a design with an active sub integrated into a tower design, but I need a pass through, so I can power the upper part of the cabinets (the midbass and tweeters). How do I accomplish this? A different plate amp?
Asked by: Sutton
The high level inputs allow for the full range speakers to be used as an input for a sub. The line outputs are still full range and can be amplified for your midbass & tweets. You can also adjust the amp controls to provide a crossed over signal. The lfe ( low frequency effects) is for home theater work.
Answered by: Nitnub
Date published: 2013-11-05

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