Williams Sound DWS TGS 10 2.0 Digi-Wave One Way Tour Guide System 10, Four independent tour groups can be operating simultaneously within a range of up to 100 feet outdoors/200 feet indoors

Amazon.com Price: $2,643.00 (as of 02/06/2019 13:05 PST- Details)

Single-presenter/multiple-listener system – expandable to multiple presenters/unlimited participants
Four independent tour groups can be operating simultaneously within a range of up to 100 feet outdoors/200 feet indoors (in 1- or 2-way mode, depending on environmental conditions). Outside of this range, other groups can be in operation
Legal for use in most countries

Usually ships in 1-2 business days