Vintage Yamaha diversity wireless system; WXY-05U transmitter and receiver. Excellent frequency response for 5 & 6 strings basses - 20hz to 10k. includes new 9 volt battery. Transmitter has battery indicator LED, battery on/off switch, and compartment for one 9-volt battery. It comes with a leather case which allows it to be attached to your guitar strap or waist belt. Receiver: front panel has power on/off switch, diversity indicator LEDs for antenna A & B, and 1/4" output jack. Sold as-is. I bought this unit "USED" several years ago. It is in good working order. Price $40, shipping and insurance is extra. Shipping cost dependent on buyer's desired method of shipping ( USPS, UPS, FedEx). USA buyers only, no personal checks or credit cards; no exceptions. Paypal is preferred. Please feel free to email with any questions.