Amazon offers the Samson Concert 88 Handheld 16-Channel True Diversity UHF Wireless System, model no. C88HCL6-D, for $89.99 with free shipping. That's the lowest total price we could find by $63. It can operate up to 16 systems at once across two frequency bands and has a 300-foot receiver range.
Note: This item will ship in one to three months.