The Slider4-BT delivers professional mixing capabilities for solo performers, small bands, and mobile DJs who need reliable audio control without the learning curve of complex consoles. This 4-channel unpowered mixer handles your core audio sources while adding modern conveniences like Bluetooth streaming and USB playback.

Built around four versatile channels with discrete mic preamps and 3-band EQ, the Slider4-BT gives you precise control over vocals, instruments, and backing tracks. XLR mic inputs on all mono channels provide clean gain with +48V phantom power for condenser microphones, while dedicated insert jacks let you add effects processors exactly where you need them.

The mixer's connectivity covers real-world scenarios: XLR mic inputs, 1/4" line inputs, stereo tape inputs with both 1/4" and RCA connections, plus built-in USB for direct MP3 playback from flash drives. Bluetooth streaming lets you wirelessly connect smartphones or tablets for background music or backing tracks. AUX send controls and effects paths give you routing flexibility, while the dedicated headphone output with volume control lets you monitor your mix privately.

Perfect for coffee shop gigs, small venue performances, podcast recording, or mobile DJ setups serving crowds up to 100 people. The compact footprint fits easily in equipment bags while the sealed faders and potentiometers handle regular transport and setup.

Connect to powered speakers via standard 1/4" or XLR cables (not included). Each purchase includes a one-year warranty and ships direct from Seismic Audio's warehouse.

Technical Specifications

Frequently Asked Questions

What size venues and crowds can the Slider4-BT handle?

The Slider4-BT works best for intimate venues and crowds up to 100 people when paired with appropriate powered speakers. It's ideal for coffee shops, small clubs, house parties, and acoustic performances where you need professional mixing control without the complexity of larger consoles.

What cables do I need to connect the Slider4-BT to my speakers?

You'll need standard audio cables to connect the mixer's outputs to your powered speakers - either 1/4" TRS or XLR cables depending on your speaker inputs. For microphones, use XLR cables to connect to the mixer's mic inputs. The mixer itself doesn't include cables, so factor those into your setup budget.

Can I play music from my phone through this mixer?

Yes, the Slider4-BT offers two ways to play phone audio: built-in Bluetooth for wireless streaming, or connect via the stereo tape inputs using a 1/8" to RCA or 1/4" cable. The Bluetooth option is more convenient for background music, while the wired connection gives you more reliable signal for critical playback situations.

Do I need powered speakers or can I connect passive speakers?

You need powered speakers or a separate power amplifier since the Slider4-BT is an unpowered mixer. It only handles signal mixing and routing - you'll need external amplification to drive passive speakers. Most users pair it with powered PA speakers for the simplest setup.

How does the USB input work for playing backing tracks?

The USB input lets you plug in a flash drive loaded with MP3 files for direct playback without needing a separate device. This is perfect for backing tracks, walk-in music, or karaoke applications where you want dedicated audio files readily available without relying on phone or laptop connectivity.

WARNING: This product can expose you to chemicals including Di(2-ethylhexyl)phthalate (DEHP), which is known to the State of California to cause cancer. For more information, go to: www.P65Warnings.ca.gov