the t.amp D4-500

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This item runs exclusively on an operating voltage of 230 V and therefore requires a voltage transformer to run in your country of United States.

Digital Amplifier

Class D
4 x 500 W @ 4 Ω
4 x 250 W @ 8 Ω
Frequency range: 20 Hz to 20 kHz
Connections: XLR inputs, speaker twist out
Temperature controlled
Low rack installation depth (only 240 mm)
Design: 19"/ 1 U
Weight: 4.6 kg

30-Day Money-Back Guarantee

3-Year Thomann Warranty

Available since June 2009

Item number 218916

Sales Unit 1 piece(s)

Power (4 Ohms) per Channel 500 W

Channels 4

Rack Units 1 U

Amp Class Class D

2 Ohm stable No

DSP/Crossover No

Convection cooling No

Width in mm 483 mm

Depth in mm 240 mm

Height in mm 45 mm

Weight 4,6 kg

Bridged Mode 1

Temperature controlled fan 1

Input XLR 1

Jack Input 6,3 sym. 1

Parallel Input 1

Link Out No

Output Speaker Twist 1

$349

The shipping costs are calculated on the checkout page.

Sales Rank

in Power Amps

Four channels of digital power

The D4-500 from Thomann's in-house brand the t.amp is a budget-friendly four-channel power amplifier for FOH applications and more. The D4-500 differs from the heavier but more affordable TSA 4-300 in that it features versatile XLR/jack combo inputs and digital sound processing, and from the higher-priced Quadro 500 DSP in that it lacks the latter's free signal routing options and onboard processors, but users who can do without these get a reliable rack-mountable power amp whose weight - which is remarkably light compared to other amplifiers in this performance class - and minimal rack space requirements will certainly pay off.

the t.amp D4-500 digital power amplifier

Small yet mighty

The t.amp D4-500 delivers 500W into 4 ohms or 250W into 8 ohms from each of its four outputs and covers the entire normal range of human hearing with its frequency response of 20Hz to 20kHz. The front panel is home to the power switch and a bank of four input level controls, one for each channel, while the rear panel houses four XLR/jack combo inputs for receiving the incoming audio signal (e.g. from a mixing desk without its own power section) and four lockable NL4 (speaker twist) outputs for connecting passive speakers, which should of course be matched to the D4-500's power output. A "bridge" mode is also provided (which interconnects both channels to form one channel with double the output), as is a ground/lift function to prevent unwanted hum. Despite its depth of just 240mm, the t.amp D4-500 houses a temperature-controlled cooling fan and a limiter with a fixed threshold, and the whole thing tips the scales at just 4.6kg.

Easy to operate

The t.amp D4-500 gives event organisers an easy-to-operate tool whose four outputs allow stereo amplification and a range of other sonic possibilities for live events and home cinema applications, while its light weight and compact dimensions make it portable enough for touring bands, DJs, and even solo entertainers to transport and set it up by themselves. Mounting the D4-500 in a rack allows the amplifier to be transported in complete safety and eliminates the danger of dirt and contamination when it is stored away after use (especially helpful for operators of function rooms and youth centres, for example). And of course, its shallow depth makes the D4-500 a great choice for home party rooms, where space is frequently restricted.

About the t.amp

the t.amp is one of the many in-house brands belonging to Musikhaus Thomann, and since 1998 has offered power amplifiers, complete passive PA sets, keyboard amplifiers, and connection systems. The brand’s entire product range delivers an impressive combination of quality and reliability at attractive prices, and users can find a convincing and affordable solution for every application: From youth clubs and sports halls through to congress centres and much more.

Flexible and versatile

The t.amp D4-500 can provide sound for both the band and the audience, which is achieved by sending the mixing desk's main output to the FOH speakers via two of the D4-500's outputs and two AUX outputs from the mixing desk to passive monitor speakers for the musicians on stage via the other two outputs. The aforementioned bridge mode in turn comes into play and provides an extra boost when more powerful sound reinforcement is needed. Having four channels also makes the t.amp D4-500 highly adaptable to rooms of different sizes: If the room is particularly wide, for example, two speakers can be placed at either side of the stage in order to cover the middle and sides of the acoustic space, while the use of a delay line in addition to the front-of-house PA enables greater clarity to be achieved in deeper rooms such as churches.

This is what customers who viewed this product bought

232 Customer ratings

5 130 Customers 4 73 Customers 3 17 Customers 2 9 Customers 1 3 Customers

4.4 / 5

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135 Reviews

didn't last a gig

Anonymous 13.10.2015

We Perchased one of these for use with a small pa system as a monitor amp. the first one we had died within half an hour due to fan failure so got a replace meant and thought we would give it another try , the second one lost 2 channel and crackled on other in a sound check. so sent back for a refund
outer build quality looked good and when it worked sound quality was good.
But reliability was poor !
it could of been a bad batch or just our bad luck but was enough for us to not trust the product

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Compact and Convenient

Matthew54 28.04.2016

I bought this amp over a year and half ago to be used for monitors at a local church. Since installing, there has been no problems what so ever with it. It gets used 4 to 5 times a week, and although is never driven 'hard', it is well used.

Sounds good, and has adequate power for our needs, and 4 amp channels in one 1u box is amazing.

I had heard distant tales of problems, all I can say is it has worked flawlessly for us!

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4x500w in just 1rack.Noisy for home threader

skainet 10.12.2021

It is a nive piece of hardware. But it has these small fans that are really noisy for silence home theater room.

Other than that, it is a great unit

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Thomann, you own us money, plz pay.

NorVest 28.05.2020

We bought one t.amp D4-500, after like 4 weeks delivery, we finally got it.
Just to notice that only 3 of 4 channels were working.
Called Thomann, they would take it in return, but would not send a replacement before they received the broken one.
They also told us that they would cover the shipping costs, but even if we have sent all required documents regarding this, we still have not seen any money, now it's been like 8 weeks, still no money.
Well, it's only like 50-60$, but as it seems like now, it sure looks like theft, but what do we know.
Anyhow, last week the new replacement amplifier arrived, and guess what??
Yes, this one has the same error, only 3 of 4 channels are working, so now we have to send this one back to Thomann as well.

Never again will we do business with Thomann, bad products, bad service, and they will not pay back our money they own us.

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the t.amp D4-500

Digital Amplifier