Whether youre a musician taking the stage or a DJ packing the dance floor, make an impact with the Thump15v4 professional loudspeaker featuring SoundCheck DSPTM. Loudest. Lowest. Clearest.Mackie Thump15v4 professional powered loudspeakers are the loudest, lowest and clearest everyday gigging solution for any live sound user of any experience level, combining 130 dB maximum SPL, 34 Hz low frequency response and SoundCheck DSPTM digital signal processing.SoundCheck DSPTM Voicing ModesYou work hard to shape your sound. If youre a guitarist, you might create a signature tone using a perfectly curated pedalboard. If youre a live sound professional, you know how to build your mix using tools like EQ and compression. Flat mode turns Thump15v4 into a full range, flat response FRFR speaker, projecting your sound in its purest form.Maybe youre a DJ, and you need enough low end in your speaker to get people moving their low ends on the dance floor. Maybe you just need a speaker to stream music at parties or events. For music playback that really thumps, use Thump15v4 in DJ mode. Connect your DJ gear or stream with Bluetooth. (Or both at the same time!)Mackie rules live sound. Thump15v4 takes that reputation into a new generation with enhanced sound quality, more volume and modern voicing that makes your vocals pop with midrange clarity. Used in Live mode, Thump15v4 delivers flawless sound for vocal performances, speeches and even karaoke.Thump15v4 makes the perfect stage monitor or wedge monitor. Just flip the speaker on its side and switch to Wedge mode. Youll hear yourself clearly on stage, giving you that extra boost of confidence you need when youre belting it out for the crowd. (Putting your foot up on the monitor wont improve your sound, but Wedge mode will.)SoundCheck DSPTM Instant SetupFeedback EliminatorRemember in those old movies when a principal is giving a speech to the students using a microphone, and theres an ear-piercing squeal? Sorry to tell you, but that is now a thing of the past. With Feedback Eliminator, all your performances are feedback free, without you having to know a thing about audio.Music DuckingYoure DJing. The music is flowing. People are moving on the dance floor. But, oh no: You have to make an announcement. Dont want to bring the mood to a screeching halt? Just turn on Music Ducking. The music will automatically dim (not stop) when youre speaking into the mic, then return to full volume.Outdoor ModeSpeakers sound different outdoors. Music that once sounded full and punchy might become muffled and dull. There are scientific reasons for this difference, involving resonance and reflections. But you dont need to worry about that. Just use Outdoor mode when you take Thump15v4 outside.Bluetooth Streaming and AppStream songs from your phone or tablet with Bluetooth. Link two Thump15v4 speakers wirelessly for stereo, zone or dual mono playback without cables. Control every setting on the speaker from across the room with the intuitive Thump Connect 2 app, so youre never caught out of reach. Bluetooth works simultaneously with analog inputs and passes to XLR mix output.Connect to Anything With Built-in MixerConnect Thump15v4 to anything: microphones, DJ controllers, aux playback devices, keyboards, guitar pedalboards and more, using the combo inputs on the built-in mixer. Adjust the input gain and overall volume for the perfect mix. The convenient XLR output is great for chaining the signal to another speaker.Main Features:Loudest. Lowest. Clearest.1400W of class-D amplification1 custom compression driver15″ low frequency driverLoudest volume with 130 dB maximum SPLLowest bass with 34 Hz low frequency responseSoundCheck DSPTM Voicing Modes- Sound check is as easy as pressing a button with user-selectable voicing modes- Flat Mode: Neutral speaker with pure sound- DJ Mode: DJ speaker for music playback- Live Mode: PA speaker for speech, karaoke, live shows and events- Wedge Mode: Stage monitor for performersSoundCheck DSPTM Instant Setup Features- Feedback Eliminator magically prevents ear-piercing microphone feedback with the push of a button- Music Ducking tastefully dims music when you speak into the mic, so you never have to bring the vibe to a halt- Outdoor mode automatically compensates for being outside, preventing the typical loss of high endBuilt-in Mixer With Mic Input- Dual XLR/TRS combo input jacks on both channels- Mic/line switch on channel 1- 1/8 input jack on channel 2- XLR mix output (includes Bluetooth)- Front LED on/offBluetooth Streaming and Linking- Bluetooth streaming from your smartphone or tablet- Bluetooth linking so you can stream to two speakers in stereo, zone or dual mono- Control every setting wirelessly and tweak the EQ with Thump Connect 2 app- Bluetooth works simultaneously with analog inputs, and passes to XLR mix outputSpecifications:Premium metal handlesRugged, modern construction3 M10 fly points for suspended installationHeight: 27.4 in / 696 mmWidth: 17.3 in / 439 mmDepth: 14.0 in / 356 mmWeight: 32.6 lb / 14.8 kg