Amazon.com: Gomadic Underwater case for The Samsung SPH-N400 - Weather and Waterproof case Safely Protects Against The Elements : Cell Phones & Accessories
Best Buy: Samsung 2.0-Channel Soundbar with Digital Amplifier Black HW-N400 /ZA
Samsung SPH-N400 Cell Phone Review - BayReviews
Samsung N400: all deals, specs & reviews - NewMobile
Ah59-02766a Remote Control Replace For Samsung Soundbar Hw-nw700 Hw-n400 Hw- n400/za Hw-nw700/za Hw-n650 Hw-n450 Hw-n550 - Remote Control - AliExpress
Remote Control For Samsung Hw-n400 Hw-r550 Hw-r650 Hw-q70r Ah81-09748a Hw-r60c/z Home Theater Soundbar Sound Bar Audio System - Remote Control - AliExpress
this samsung sph-n400 managed to slip in on day one of the contest : r/vintagemobilephones