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Dynavox VR-307

Dynavox VR-307
alaScore 83

22 reviews

Oct, 2018

alaTest has collected and analyzed 22 reviews of Dynavox VR-307. The average rating for this product is 3.9/5, compared to an average rating of 4.1/5 for other products in the same category for all reviews.

We analyzed user and expert ratings, product age and more factors. Compared to other products in the same category the Dynavox VR-307 is awarded an overall alaScore™ of 83/100 = Very good quality.

Review analysis

(Based on 22 reviews)

User Reviews  


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Showing 1 - 4 of 4 Show Reviews: in English | in other languages (18)

Consumer review ( review summary for Dynavox VR-307


alaTest has collected and analyzed 4 user reviews of Dynavox VR-307 from The average user rating for this product is 5.0/5, compared to an average user rating of 4.3/5 for other products in the same category on

100% of the reviews on give this product a positive rating.

This summary is based on the products: Mistral Audio DT307a (Bluetooth) valve amplifierMistral Audio DT307a (Bluetooth) valve amplifier

Oct, 2018

Product Specifications


Audio output channels:2.0
Frequency range:20 - 40000
Input impedance:47000
Peak power per channel:25
RMS rated power:50
Signal-to-Noise Ratio (SNR):85
Total Harmonic Distortion (THD):0.04 / 0.1


Energy Star certified: No
RoHS compliance: No


Built-in Display: No


LED indicators:Power

Ports & interfaces

Audio (L,R) in:3
Speakers connectivity type:Banana/Binding posts


AC input frequency:50 / 50/60
AC input voltage:230

Technical Details

Bass adjustment: Yes
Cables included:AC
Colour of product:Black, Silver / Silver
Connectivity Technology:Wired / Wired & Wireless
Cooling type:Passive
Equalizer: No
Handheld remote control: No
On/off switch: Yes
Treble adjustment: No
Volume Control:Rotary

Weight & Dimensions

Depth:17 / 170
Height :12.5 / 125
Width:23.5 / 235