Mix It Up
The Samson SM4 is a half-rack, 4-channel line mixer designed to easily integrate into any installation or commercial sound system. Perfect for fitness clubs, gyms, restaurants, night clubs and schools, the SM4 features a balanced microphone channel with 2-band EQ, voiceover priority ducking, stereo line level inputs, as well as Bluetooth® and Samson Stage XPD wireless connectivity.
Convenient Connectivity
The SM4 allows you to mix up to four channels of crystal clear audio. The mixer’s studio-grade Mic channel features a 2-band EQ (Bass and Treble) to adjust the mic’s tone without affecting the music. The Music channel includes rear panel RCA inputs, as well as front-mounted stereo 1/4″ and 1/8″ inputs for easily connecting mobile devices. Bluetooth connectivity lets you wirelessly stream music, while a USB port allows you to integrate an optional Samson Stage XPD Series wireless system.
Voice Priority
Whether you’re leading a group ex(ercise) class or making announcements at a restaurant, intelligibility is key. The Voiceover feature enables you to lower the music (up to 30dB of ducking) while talking through a mic or using the XPD Wireless input. The Voiceover Threshold knob lets you adjusts the active ducking hold time from 0.5–3 seconds.
Installed Sound
For fixed installations, the SM4 can be installed using the included rackmount kit. It can be mounted side by side with a Samson CR88, CR288 or CR99 wireless receiver. The mixer’s rear-mounted Master Volume control allows you to set the overall output level of the mixer, and stopping users from playing the system too loud and destroying your speakers. It also features stereo XLR and RCA outputs, and a Mono/Stereo switch for use with a mono sound system.
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Delivery Exclusions
PLEASE NOTE:Â
Some products are exceptionally large, heavy or bulky and require specialist freight services. This typically includes items such as large PA speakers, dual 15″ speaker cabinets, dual 18″ subwoofers, flight cases and other oversized or very heavy equipment.
We work hard to keep our prices as competitive as possible and, in most cases, delivery is completely covered by our standard shipping rates. However, for certain oversized items being delivered to regional or outlying areas, the actual courier cost can be significantly higher than standard deliveries. This is also owing to factors completely outside of our control (petrol costs and rising costs of delivery by courier partners)
If this applies to your order, we will always contact you before dispatch to discuss the available options. These may include:
- Proceeding with a small additional freight contribution.
- Collecting the order from one of our suppliers or a nearby courier depot where available.
- Cancelling the order for a full refund if a suitable solution cannot be reached.
Please be assured that we only request an additional freight contribution in exceptional circumstances where the courier cost is substantially higher than normal. Our goal is always to deliver your order at the advertised price whenever possible.
If you’re unsure whether an item may be affected, you’re welcome to contact us before placing your order and we’ll gladly provide a delivery estimate.
Thank you for your understanding and ongoing support!

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