Ok so I got these things in my ears right now as I am typing. The SG-03s are stunners at their price. Seems more of a w shaped IEM vs the clear V shaped the prior SG-03 was. These are better balanced much like how Reecho did with their follow up to the SG-01 with the OVA edition.
Former RG-03 was using a stout 10mm titanium plated dynamic with a N50 magnet and believe me even against todays bassiest IEMs it is a sub bass beast. However to get that much sub bass it had to give up on a bit of the lower mids to have it that much focussed.
The new RG-03s now uses an upgraded higher resolving 10mm LCP diaphragm with a stronger N52 magnet. Comes with an upgraded silver plated OFC cable.. And the tips these guys include are awesome. The best part these cost the same as the former SG-03 at $69.. These will easily compete with the best of the best single dynamics sold at double the price. Even without comparing agaist the older SG-03 the tuning is imporved on these. While it is clearly a colored w shaped tuning. These are way more versatile sounding to my ears due to the better tuning these have. For single dynamic fans. These are excellent and is mind boggling what you can buy for less than a $100 spot nowadays.
They most definitley gets a thumbs up from me, to say I am impressed is an understatement. The dynamism of these are just crazy good for the price, giving them a powerful sound with a lovely wide and deep sound stage to boot. Will have much more to say about them once I get them run in a bit but we have yet another serious contender that no one knows about..
If any of you guys are Reecho fans. Don't miss out on this one. These have to be their best single dynamic IEM to date.