초음파 커터 40 KHz 절단 주파수 3단 속도 조절, 플렉시글라스, PCB, 탄소 섬유, 가죽, 3D 프린팅 레진, DIY 공예용

Portable Wireless Caixa De Som Mini Bluetooth Speaker Music Sound Box Blutooth For Subwoofer Bocina System Mp3 Player Handsfree

1PCS Ultra-thin Speaker 8R 32R 0.5W 1W 2W Ultra-thin Speaker Amplifier Diameter 20 23 26 28 30 32 36 40 50MM DuPont Cable

1PC Speaker Bluetooth Speaker Stereo Outdoor Playback Fm Voice Broadcasting Portable Subwoofer 50 Wireless Speaker

AIYIMA 1Pcs 2 Inch Full Range Vibration Speaker 50MM 4 Ohm 40W Resonance Speaker Super Bass Audio Portable Speakers Altavoz

AIYIMA 2Pcs 3 Inch Full Range Sound Speakers 4 8 Ohm 20W Waterproof Speakers Glass Fiber Loudspeaker For Home Amplifier Audio

2Pcs 2.68 Inch Audio Full Range Speakers 4/8 Ohm 15W HIFI Double Magnetic Music 68MM Sqaure Loudspeaker DIY Home Theater

JCD 1PCS Notebook Speaker Horn 2W 8R 4R 4020 Loud speaker 4 8 ohms 2 Watt 4/8R 2W 20*35*5MM 20*40*5.4MM 20*40*5.5MM 50*30*11.7MM

25~40W 3 Inch Speaker Unit 4~8ohm Woofer Subwoofer Speaker Bass Hifi LoudSpeaker Units Glass Fiber Woven Basin Low Frequency

JBL Flip 6 Portable Bluetooth Speaker IP67 Waterproof Wireless Deep Bass Subwoofer Outdoor Sports Stereo Music Player 12H Play

SOTAMIA 1pcs 3 Inch Warped Angle Built-in Full Range Speaker 4 Ohm 10W Long Stroke Large Magnetic Steel Foam Side Speaker