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Alto Professional TrueMix 800FX 8-Channel Analogue Mixer w/ USB, Bluetooth and FX

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Product Information

Easy-to-Use Analog Audio Mixing with Built-in Effects from Alesis

The Alto Professional TrueMix 800 FX is a portable audio mixer with built-in DSP effects that delivers all the essential features you need for home recording, livestreaming, podcasting, or performing. The TrueMix 800 FX features 16 effects including chorus, flange and an assortment of high-quality delays and reverbs. There’s also a convenient Bluetooth channel for easily streaming from your personal devices. A unique feature to the TrueMix Series, the Bluetooth channel also supports feedback-free phone pairing by utilizing mix-minus technology. There are eight analog inputs with high-headroom circuitry for minimal noise and clipping in your signal. The four Mic Input Channels offer XLR inputs that are great for connecting dynamic mics or condenser mics with 48v phantom power. These channels also have balanced ¼” line inputs for connecting instruments and other line-level signals. There are also two Stereo Input Channels, each with dual balanced ¼” TRS inputs. These inputs are perfect for your line level audio sources. All channels feature a two-band EQ with color coded knobs that make it easy to dial in your perfect sound while operating in low-light situations. There are even extra knob caps included so you can fully customize the look of your TrueMix 800 FX. Connecting the TrueMix 800 FX to your computer is also lightning fast, with plug and play connectivity on Windows and macOS. The TrueMix 800 FX is a feature-packed compact audio mixer that’s perfect for using on-the-go.

Flexible Output Routing

Whether you’re recording a podcast, livestreaming online, or making music at home, being able to hear yourself and easily route audio is essential. The TrueMix 800 FX features a variety of output and routing options to handle any scenario. There are four headphone outputs, each with their own volume control knob. If you need to send your audio signals to another destination like an external monitor or effects unit, each channel is equipped with a send knob so you can always dial in the perfect mix. For recording, the USB output sends a copy of the main outputs to your computer, or you can connect the 2-Track in/out to an external recorder which can also be sent directly to the headphones. The TrueMix 800 FX delivers everything you need to take full control of your audio routing in any situation.


Frequency Response

All inputs: 20 Hz – 22 kHz (±1 dB)

THD+N (Total Harmonic Distortion)

All inputs: < 0.005% (@ 4 dBu, 1 kHz)

Gain Range

Mic inputs (Channels 1-2): 0 – 50 dB

Line inputs (Channels 1-2): 15 dBu – 35 dBu

Line inputs (Channels 3-6): -20 dBu – +20 dBu

Max Voltage Gain




SNR (Signal-to-Noise ratio)

All inputs: > 110 dBu

Crossover Frequency

Adjacent inputs: < -80 dB @ 1 kHz

Inputs to outputs: < -75 dB @ 1 kHz (stereo L/R, Channels 1-2, panned hard left or


Phantom Power

+45 ~ +49V with switch control


Mic inputs: 3.9 kΩ

All other inputs: > 10 kΩ

Aux outputs: 1 kΩ

All outputs: 120 Ω


High: ±15 dB @ 12 kHz

Low: ±15 dB @ 80 Hz


Profile: A2DP

Module: Bluetooth 5.0

Operating Frequency: 2402 MHz – 2480 MHz

Range: 100 ft. / 30.5 m


(6) 1/4” (6.35 mm) TRS outputs

(6) 1/4” (6.35 mm) TRS stereo L/R inputs

(4) 1/4" (6.35 mm) TRS headphone outputs

(4) 1/4" (6.35 mm) TRS mono inputs

(1) Standard RCA L/R input

(1) Standard RCA L/R output

(4) XLR inputs

(1) USB type-B input

(1) DC power input


(1) Power switch

(15) volume control knobs (1 per input, 1 return, 1 EFX return, 1 2-track/USB in, 4

headphone outs, 1 Bluetooth, 1 main)

(6) Stereo pan control knobs (1 per input)

(6) Mon volume control knobs (1 per input)

(6) EQ Low control knobs (1 per input)

(6) EQ Hi control knobs (1 per input)

(6) Gain control knobs (1 per input)

(4) Buttons (1-EFX mute, 1 Bluetooth, 2 Source Select)

(1) Horizontal sliding switch


(1) Power LED

(6) Peak LEDs

(1) Phantom LED

(16) Main Out Meter LEDs

(1) Bluetooth LED


Connection: DC

Voltage: 18V, 1.2A

Consumption: 18W


(width x depth x height)

2.0” x 9.4” x 3.1”

305 x 238.5 x 79 mm


4.5 lbs.

2.04 kg


1 Year Warranty

Shipping & Delivery

All orders over $100 will be automatically eligible for FREE Shipping Australia Wide, if you order is under $100 there will be a flat rate of $10.

Belfield Music is well known for its top online customer service. We treat all online customers with the same excellent service we give to our in store customer. We will ensure that you receive all the support you need while your goods are in transit and ensure the goods arrive promptly. All of our shipments have tracking numbers available and we cover every single unit by our own shipping insurance.     

Online orders are normally processed within 1-3 business days. Once processed, your order should take between 1-8 business days to arrive depending on your location. Please note that your order may take up to 10 business days to arrive from the day you place your order. 

If it transpires that the product is out of stock due to a stock discrepancy and/or there will be a delay in shipment, we will contact you within 2 business days of placing your order and give you the option of waiting or cancelling your order. The products we advertise online should show if they are in stock or not. We do our best to keep the website stock count up to date, but there may be an occasional error.

If you wish to utilize an Express Delivery Service to receive your item, please contact us for a shipping quote before you place your order at admin@belfieldmusic.com.au or by using the Chat icon on the bottom right of the page.           

Deliver is made during the hours from 8:00am till 5:30pm Monday to Friday. As such, please ensure you nominate an address which is capable of receiving goods during 8am and 5.30pm.  Given the restrictions on PO Box deliveries we cannot deliver larger sized items to a PO Box.

If for any reason our selected carriers don't service your area we will contact you before processing your order if this applys to you.

Returns Policy

If you wish to return an item which is not damaged or faulty in any way and you have simply changed your mind or made the wrong decision, you must let us know within 7 days of receiving the item.  We will not agree to refund an item because you simply changed your mind or made the wrong decision if we have not been advised of your intention within 7 days of receiving your item. Once we have provided a return authority, it is the buyer’s responsibility to return the item, at their own costs within 30 days from original purchase. If the item is returned with any damage or alteration to its original packaging, we will refund the item subject to applying a minimum 15% restocking fee.  We will not refund the costs of the initial shipping charges.

It is in Belfield Music best interests to keep our customers happy with their purchases. If you are not happy with your purchase, please talk to us first. We will always attempt to resolve any problems you may have as best we can. To contact us please email us at admin@belfieldmusic.com.au or by using the Chat icon on the bottom right of the page.