I've had pretty good luck with the US Postal Service, but I don't think they take as heavy packages as UPS, DHL, or FedEx. When I shipped back my mansfield Axioms the surrounds and center when US Postal, and the M60's and 350v1 went DHL. \:\)

M80s VP180 4xM22ow 4xM3ic EP600 2xEP350
AnthemAVM60 Outlaw7700 EmoA500 Epson5040UB FluanceRT85