This is a set of UNI-PEX wireless amplifiers. WA-352D Wireless Amplifier with Cassette & CD Deck 1 Optional Items DU-3200A Additional Tuner Unit 1 WM3000A Handheld Wireless Microphone 1 WM3100 Pin-type Wireless Microphone 1 EU-300 Input Addition Unit 1 ATR1100x audio-technica Wired Microphone with SW (as a bonus) The main unit comes with an instruction manual and a dust cover. Ready to use immediately, operation has been confirmed and there are no problems. It has been used sparingly and there are no noticeable scratches. ■ Wireless Amplifier WA-352D It has 1 microphone input, 1 auxiliary input, and incorporates one 300MHz PLL diversity wireless tuner, allowing for 3-input mixing broadcasts. It can accommodate two additional 300MHz PLL diversity wireless tuners, enabling a maximum of 5-input mixing broadcasts. Built-in full-logic auto-reverse cassette deck Features include recording/playback, auto shut-off, forward/backward track skip, and playback speed control. Built-in 12cm CD player with speed control A portable speaker-integrated amplifier that can be powered by AC 100V, eight size-D alkaline batteries, or a dedicated Ni-Cd rechargeable battery. Amplifier size: Width 298 x Depth 205 x Height 460mm