Hi zevk,
is this any help to you ? Pulled it off that Fleabay site.
The seller's advert says : -
Details for loudspeaker
Working Voltage 10-16V DC
VoiceCoil Impedance: 4
Resonc Frequency: 165HZ
Effective Frequency Range: Fo-12kHZ
Puiput Sound Pressure Level: 88dB
Rated Input Power: 15W
Max Input Power: 100W
Distortion: <= 5%
one year warranty
----> These Water Proof LOUD Speakers now include a 250 Watt low Voltage High Power Pro. Amplifier This is one of the best amplifiers out there.
Amp is guaranteed to BLAST the speakers to the max! This tiny amplifier measures only 2.75" x 3.5" x 1.75 (WxLxH) The weather proof measures only 1.5" x 1.75" x 1.25 Our Water proof LOUD speakers measure are 4 1/2" X 4" x 3.5 The front side of the amp provides the INPUT and has both a 1/8" standard earphone jack and standard RCA Jacks. Now you can hook up an additional audio device! The filter, volume control and green power indicator light are all up front. The backside of the amp provides the output with standard RCA Jacks. The power switch and 12 Volt power input are located on the backside as well. Power wire and audio wires are included!!
The tiny amplifier can be mounted in many different places. Mount to a windshield bracket, under a seat or in a tool bag, a water proof glove box or tool stowage area.
will compliment any motorcycle, cycle or bike!
Shark speakers are Marine Grade, Weatherproof and Waterproog (<---- GUESSING they mean 'Waterproof')
New Marine technology, low power, BIG clean, clear SOUND!
Flip