thatslife78 outside is metal. I never opened or used it (never used : too heavy to me for a small car, and isn't made of steel)

thatslife78 seen on internet, first choice : Mean power, or root mean square (RMS) power handling, refers to how much continuous power the speaker can handle. ... For example, a speaker with a 30W RMS rating but a peak rating of 60W means that speaker can comfortably run with 30 watts of continuous power, with occasional bursts of up to 60W. SO : RMS is the continuous power affordable without burning anything . BUT ( to me, as far as i know) : for an AMPlifier, the affordable current REALLY dispatched in a speaker is : current divided by resisting power of speakers : 26 volts divided by a 4 ohms speaker means ...6.5 watts At first try to find a power supply : you may find 75 watts not 75x2 which is what you need for a stereo system.....

thatslife78 If i remember correctly, when i bought i only got the shoes, no certificate.

thatslife78 only 2 body and all wings plus canopy as written (for the price).

thatslife78 Its is for 2S, because even very tiny with 2S it already eats more than 10 amps with a 2.5X2.5 propeller

thatslife78 To me only the (spur gear plus pinion plus motor) are different from B to "not B" model. Be aware : this is not a pure steel model. Seems aluminium mixed with something.

thatslife78 2 as shown on picture

thatslife78 All the parts are for a959 except spur gear and pinion are for a969b. i have not testd Shell body mounts.