the t.amp TSA 4-700

Switched-mode Power Supply Amplifier

  • 4x 490 W/ 8 Ohm
  • 4x 810 W/ 4 Ohm
  • 4x 930 W/ 2 Ohm
  • 2x 1600 W/ 8 Ohm (bridge mode)
  • 2x 1800 W/ 4 Ohm (bridge mode)
  • XLR inputs and outputs
  • Speaker Twist outputs
  • Protection circuits: audio limiter, temperature and short circuit
  • Dimensions: 488 x 370 x 97 mm
  • Size: 19" / 2 RU
  • Weight: 10.7 kg

Further Information

Power (4 Ohms) per Channel 810 W
Channels 4
Rack Units 2 U
Amp Class Class H
2 Ohm stable Yes
DSP/Crossover No
Convection cooling No

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Our most popular Power Amps
617 Customer Ratings
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4.5 /5
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Total
handling
features
sound
quality
Excellent Piece of Kit
25.07.2016
I bought one of these in one of the PA packages Thomann do and was very impressed with it. I play in a heavy rock band and pair this with Behringer Eurolive speakers using two channels for the mains and two for the fold back.
We've played some quite large venues and this has given us plenty of headroom. We have two guitars, a bass, three vocals and drums going through it and it handles the sound with perfect clarity. The bass response is superb and yet never detracts from the rest of the range. Even the bass drum doesn't cause any issues with the sound.
I run it at full volume on all channels with the volume levels being set by the desk. I have never run up to clipping level but have been close and so far there has been no distortion just lots of volume!
I like the fact that each channel has both male and female XLR sockets and the only downside is that it is very heavy.
The four amps can be bridged into two very powerful ones if required but I can't imagine ever needing that sort of power in the venues that we play and I've never had the speakers to take it so I've not tried that mode yet.
All in all I can wholeheartedly recommend this amplifier, it has bags of power and a great sound and feels like a quality product in every respect. In fact I liked it so much that this review is for my second one! Our band is so reliant on it that I bought another one just in case the worst should happen on stage and I can just swap the leads onto the spare but in reality I very much doubt that the original will fail. Not for a good while anyway.
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Total
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Good amplifier in a budget system
Dan Bale, 14.12.2020
This is an amplifier that has a very good price / performance ratio.
I am sounding an evangelical church where I installed 12 speakers the box pro Achat 206 WH associated with this amplifier.
The system has been running for more than 18 months without any problems.
PRO I like that it is very versatile, easy to configure
CONS It is noisy and lacks finesse in construction
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Geras stiprintuvas
SigitasK, 22.10.2015
Pirkau ji taupydamas pinigus, bet pasirode visai smagus daikciukas. Kol kas i 2 kanalus esu pajunges po JBL JRX 212 M per krosoveri viduriams ir aukstiems dazniams. Galingumas puikiai atitinka koloneles. nesigirdi jokiu iskraipymu. Prie kitu 2 kanalu pajungiau po monitoriu. Subas su savo stoprintuvu. Ateity planuoju isigyti pasyvu suba ir pajungti ji prie dar 1 kanalo, o jei neuzteks galios, tai sujungti juos i 1.
Garso kokybe labai patenkintas. Tiesa, atsukus 2/3 garso, jau girdisi svypstimas, bet tokiu rezimu ir siaip nepatartina dirbti, todel tai labai neaktualu. Kam reikia tylaus galingo stiprinimo, patariu rinktis didesne galia.
Tokia sistema, teisingai parinkus krosoverio dazni, labai graziai skamba.
Kam nereikia didziuoles galios, rekomenduoji si stprintuva.
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Good 4 channels amp
10.05.2016
I use this amp to amplify a pair of 12"+1,5" speakers (active crossover, so 2 channels for high, 2 channels for mid). Main use : small parties and home cinema/music.

Power is more than enough for my use, price/Watt given the 4 channels is really good and built quality is high. The amp is lightweight. I have not tried it for sub, so cannot comment, but for medium/high I am really satisified with the job done. Input sensititivity is within pro range, which is good because I use a pro sound card as active crossover.

Connectivity/bridging options are flexible and efficient. The fan noise is low when little power is drawn, so acceptable for home use.

Very little downside : high frequency hiss is audible when no music is played, but there is no problem at all when music is played.

Overall a light, powerful and good value 4 channels amp. Delivery etc = perfect job from Thomann!
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£285
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