Pyle Pro PHA25 300W Stereo Audio Amplifier
The PHA25 300W Stereo Audio Amplifier from Pyle-Pro is a compact and convenient way to boost an audio signal from a portable audio device. The amp has a standard 3.5mm male input, which can connect to the headphone jack of virtually any MP3 player, CD player, computer, and more. The amp provides 15W per channel RMS (150W per channel peak) of output power with a stable 4 ohm impedance. The amplifier has standard positive/negative speaker wire terminals, as well as a positive/negative 12VDC power terminal.
- Extremely compact design
- The standard 3.5mm male input plug can connect to the headphone jack of virtually any MP3 player, CD player, computer, and more
- The amp provides 15W per channel RMS (150W per channel peak) of output power with a stable 4 ohm impedance
- There are standard positive/negative speaker wire output terminals, as well as a positive/negative 12VDC power terminal
| Connectors |
1 x 3.5mm Male Input 2 x Speaker Wire Output Terminals 1 x 12VDC Power Terminal |
| Output Power |
15W per Channel (30W) RMS 150W per Channel (300W) Peak |
| Impedance | 4 Ohms |
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by PowerReviews(based on 3 reviews)
Ratings Distribution
Reviewed by 3 customers
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Displaying reviews 1-3
Pros
- Easy To Use
Cons
- Weak
Best Uses
Comments about Pyle Pro PHA25 300W Stereo Audio Amplifier:
I bought this to amplify my computer's audio output and power some speakers in my kitchen. Ignoring the "300W" bogus title, I figured in reality it probably would deliver 10 watts or so based on it's size, price and power supply. Given that expectation, it did just what I wanted.
Don't think for a second that you can get 300W from a 12 volt power supply, unless the amplifier contains an internal switching power supply like most car stereos. Ohm's law says that power equals voltage squared / load resistance times .707 (to convert from pk pwr to RMS). Doing the math you get 12X12/8ohmsX.707=12Wrms. (a 4 ohm spkr would draw 24W). Sorry for the nerdy stuff - I'm an electrical engineer.
Also, the packaging says "headphone amplifier". 12W is too much for a heaphone amp - you might wipe out your phones and your ears. Headphones need < 1W typically.
I only recommend this to users who buy it with the understanding that it's only a stereo 12 W amp. It does a fine job in this role. I opened it up and the manufacturing quality looked good.
Pros
Cons
Best Uses
Comments about Pyle Pro PHA25 300W Stereo Audio Amplifier:
I haven't installed this yet because it does not come with a power supply. Otherwise, it looks like it will fit my needs for an inexpensive amplifier.
Pros
- Powerful
Cons
Best Uses
Comments about Pyle Pro PHA25 300W Stereo Audio Amplifier:
Great product. Deserves 5 stars (if it came with power adapter). I was looking for a powered amp to run sound reacting lights so I have not tested product for distortion, etc. Could only find AA battery options at the [...]. The PHA25 is awesome for the price.
Displaying reviews 1-3
Cables
- Price: $9.99
Engineer's Essentials
- Price: $3.95
What's in the Box
- 1-Year Limited Warranty
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