Universal Audio 4-710D

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$1,845.00 to $1,999.00

5.0 (17)

3 Critic Reviews

4 Reviews

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3 community setups

11 wishlisted

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Page last updated Jul 05, 2026

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4.5 (56)

$1,999.00

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5.0 (1)

$1,999.00

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$1,999.00 New

$1,849.99 Used (Like New)

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5.0 (14)

$1,999.00 19 available New

$1,500.00 13 available Used

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5.0 (6)

$1,999.00

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4.5 (5)

$1,999.00

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5.0 (1)

$1,999.00

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4.7 (47)

$1,855.00 $1,845.00 $10.00 · All time low

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£1,750.00

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4.8 (5)

$1,999.00

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Description

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The Universal Audio 4-710d is a top-tier, 4-channel microphone/line preamplifier constructed to cater to a vast array of microphone and instrument sources. This multi-channel preamp boasts selectable 1176-style compression circuitry on each channel, paired with four additional line inputs, thereby providing eight channels of immaculate analog-to-digital conversion.

At the heart of the 4-710d are four channels of Twin-Finity mic preamps with true-bypass 1176-style compression, inclusive of specially tuned "fast" and "slow" settings. Each of these mic preamp channels permits for a continuously variable, phase-aligned tone, oscillating between a 100% tube and 100% solid-state signal path. For supplemental processing or signal access, send and return jacks are at your disposal. The eight analog inputs are digitized via ultra-high-quality 24-bit A/D converters at selectable sample rates of up to 192kHz, with digital output available through dual ADAT "lightpipe" or AES/EBU DB-25 connectors. This ensures easy integration with most popular audio interfaces.

Key Features:

Four TEC Award-winning 710 Twin-Finity microphone/line preamps
Dual-path 285-volt Class-A tube and trans impedance solid-state preamps
Phase-aligned tone-blending of tube and solid-state circuits
1176-style compression circuit per preamp channel
Eight channels of high-quality 24-bit A/D conversion
Selectable sample rates up to 192 kHz
Digital output via dual ADAT optical and AES/EBU DB-25 connectors
8-channel soft limiter (switchable for all channels)
Rear-panel XLR mic input, XLR line input, and XLR line output
Balanced send/return inserts
Discrete JFET DI with 2.2M ohm ultra-hi-Z impedance
70dB+ of gain, +48-volt phantom power, pad (15dB), phase invert, and low-cut filter (75Hz)
Front-panel hi-Z input (switched from mic/line)

Owner's manual

Universal Audio 4-710D User Manual

Product specs

Preamp Type	Hybrid
Number of Channels	4
Phantom Power	Yes
Compressor	Yes
Analog Inputs	4 x XLR (Mic), 4 x 1/4" (Line), 4 x 1/4" (Hi-Z), 4 x 1/4" (Line - CH 5-8)
Analog Outputs	4 x XLR
Digital Outputs	1 x DB-25 (AES/EBU), 2 x Optical (ADAT)
Clock I/O	2 x Word Clock
Frequency Response	20Hz-20kHz
Rack Spaces	2U
Height	3.5"
Depth	12"
Width	19"
Weight	11.5 lbs.

FAQs

What makes the Universal Audio 4-710D unique compared to other preamps?: The Universal Audio 4-710D features a hybrid design that blends tube and solid-state tones, offering versatile sound shaping. It also includes built-in dynamics control with its compressor, making it a flexible choice for various recording applications.
How many channels does the Universal Audio 4-710D have?: The Universal Audio 4-710D is equipped with four channels, allowing you to connect multiple microphones or instruments simultaneously for more comprehensive recording sessions.
Does the Universal Audio 4-710D provide phantom power for condenser microphones?: Yes, the Universal Audio 4-710D includes phantom power, enabling the use of condenser microphones that require external power for operation.
What types of outputs are available on the Universal Audio 4-710D?: The Universal Audio 4-710D offers both analog and digital outputs, including 4 XLR analog outputs and digital outputs via DB-25 (AES/EBU) and optical (ADAT) connections, providing flexibility for integration into various studio setups.
Is the Universal Audio 4-710D suitable for professional studio use?: Yes, with its hybrid preamp design, built-in compressor, and multiple input/output options, the Universal Audio 4-710D is well-suited for professional studio environments, offering high-quality sound and versatile connectivity.

Videos

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Universal Audio

4-710d Four-Channel Tone-Blending Mic Preamp w/Dynamics

Universal Audio

Universal Audio 4-710D 4-ch Preamp overview

Sweetwater

Universal Audio 4-710D Microphone Preamp

DV247 Music Store UK TV

How I use my UA 4-710d in my workflow at Half Avenue

John Toland

Universal Audio 4-710D Unboxing | Universal Audio Preamp

Archie Beatz

Universal Audio 4-710d Preamp DEMO: Tube VS Solid State + 1176 Style Compression (DRUMS)

Riot City Studios

Reviews

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PROS

Dual tube and solid state options offer versatile tonal blending
Built-in compression on each channel enhances tracking flexibility
ADAT I/O and clocking flexibility for easy studio integration
Quality A/D conversion for high-fidelity recordings
Provides 4 preamps at a cost-effective price point
Insert patches for external processing flexibility
Excellent sound quality, particularly on drums and vocals
Offers both digital and analog output options
Independent channel controls for detailed sound shaping
High sampling rate support up to 192 kHz

CONS

Compression may not suit all vocal tracking needs
Limiter on digital outs behaves more like a pad
Some users may find it hard to distinguish between tube and solid state sounds
Built-in compressor and limiter not useful for all users

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Universal Audio 4-710D.

Features and functionality

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The tube setting on the Universal Audio 4-710D adds a compressed, grittier texture, especially noticeable during louder hits compared to the transistor setting.
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The absence of an ADAT input on the 4-710D means the lack of ADAT out on the Apollo Twin is not an issue for setups involving these devices.
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At 88.2/96kHz, the 4-710D's ADAT SMUX supports only 4 channels per line due to ADAT's bandwidth limitations, requiring two ADAT lines for full 8-channel operation.
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User experience

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Users find distinguishing between tube and transistor settings challenging, suggesting a nuanced listening approach to detect subtle differences.
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Some users find that the Apollo Twin X is limited in hosting outboard gear due to its lack of ADAT out, prompting them to consider alternatives like the Presonus Quantum.
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Use cases and applications

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The preamp's tube setting enhances drum recordings with a fat, gritty tone, while the transistor setting allows for louder, cleaner drum hits.
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Running signals through the 4-710D preamp during mixing can add saturation, with the option to skip the preamp for cleaner output using a patchbay.
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When using the 4-710D with Focusrite 8Pre (not Red), only 4 channels can be transmitted at higher sample rates via ADAT; remaining channels need analog line inputs.
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Setup and maintenance

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It's crucial to connect Distressors at line level from the preamp send to avoid digital feedback and potential damage to the input channels.
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Software and compatibility

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The 4-710D needs to be the master clock since the Apollo Twin lacks a word clock out, ensuring stable synchronization.
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The Focusrite Red 8Pre can handle the 4-710D's full 8-channel output at 88.2/96kHz, as it has two ADAT input ports supporting SMUX.
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SMUX compatibility is necessary between devices for higher sample rate operation; it's an interface feature, independent of DAWs like Pro Tools.
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Critic Reviews

Review: Universal Audio 4-710D — AudioTechnology

audiotechnology.com

Universal Audio's 4-710D offers four versatile preamps with both tube and solid-state options, plus built-in compression and conversion at an attractive price. The unit excels in flexibility and tonal variety, making it a compelling choice for project studios. However, it's not without flaws—flakey pots and noise issues on quiet sources can be drawbacks. While not high-end, the 4-710D is a solid, cost-effective solution for multi-channel recording, especially for those seeking more than the usual two channels. For the price, it packs significant punch, versatility, and is a worthy front-end for many recording setups.

positive

Full Review

Universal Audio: 4-710d mic preamp | Tape Op Magazine | Longform candid interviews with music producers and audio engineers covering mixing, mastering, recording and music production.

tapeop.com

Universal Audio's 4-710d mic preamp is a versatile powerhouse that blends tube and transistor circuitry, offering adaptable 1176-style compression across its four channels. Its robust A/D conversion with multiple connectivity options makes it a fantastic upgrade for any studio, from budget-conscious setups to professional environments. The compression features are praised for being both simple and effective, particularly for dynamic content. Users will appreciate its ability to enhance older rigs with superior clock options and digital outputs. While it may not entirely replicate the experience of having four separate 1176s, its musicality and design make it a valuable addition. At its price, it's like acquiring four quality preamps with extra features at no extra cost. Overall, the 4-710d is highly recommended for its comprehensive features and affordability, earning a five-star rating.

positive

Full Review

Universal Audio 4-710d Preamp/DIs Review

mixonline.com

Universal Audio's 4-710d preamp impresses with versatility and an exceptional feature set, including compressors, an 8-channel A/D converter, and a blend of tube and solid-state options. It excels in detail work like vocals and acoustic guitar, delivering clarity and musicality. However, it lacks the punch of higher-end preamps for kick and snare drums. For its price, it offers incredible value with four preamps, compression, and stellar digital conversion, making it a must-have for project studios looking for an affordable DAW front end.

positive

Full Review

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5.0 out of 5

Based on 4 Reviews and 17 Ratings

5 star

4 star

3 star

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1 star

robin_buckingham

325

almost 9 years ago

4 Channel Tube / SS Pre

I will be honest. I really cant tell the difference between the tube setting and the solid state one. I just set it half way and use a bank of 3 of these (12) and something else for overheads if aI have a particular client who want a 1073.

But what is a 1073. A very small amount of circuits. Basically very little going on there. I use the lunchbox Neves a lot though. It is easy, and it says "Neve". But honestly, it all sounds pretty good to me.

I have had some of the biggest audio snobs and dudes with scopes will me if it was a Never, a UA or an ART mic pre and no one could tell me the difference. At some point we need to get past "the gear" and make some music. A lot of cats spend 90% on gear thoughts.

There is a "cost to benefit ratio'. How much you spend vs how much benefit you get from the extra cost. I think once you cross the thousand dollar mark, you are in safe territory. A 414? a U87? At that point just get to work and make some magic.

I have a daughter. he is brilliant in so many ways I can't even begin to start. But her very best trait is: her resourcefulness. She seems to make the best from whatever she has available. If the end of the world arrives, I don't want to run to the dude who has planned his shelter, I want to run to her - though she has no knowledge of survivalism (nor do it). But the survivalist will have forgotten something... she will be able to improvise.

Maybe we should not treat gear as survivalist, and start being resourceful. Make music today, not "once I get a better piece of gear".

I have some of these mic pres, love them. I also have some Neves, and a couple of other ones. They are all good. but at a certain point we are all just smelling each other's farts and saying its roses aren't we. Let make some magic today, with what we have, and with who we have.

megalith

106

over 6 years ago

I use this for drum mics - friggin fantastic

this is my go to for drum mic pres. I run it via analog out to a Soundcraft Ghost 24-LE board and it is AWESOME. I like it for Kick and toms.

darren_hightower

193

almost 11 years ago

Classic analogue tone with modern versatility

You are essentially getting the equivalent of 8 pre-amps since you have 4 channels, each of which has both a tube and transistor signal chain. These can be run independently or blended. I find I prefer a 50:50 blend for a perfect mix of clarity and warmth. This preamp is typically of the high standard UAD has set for decades.