Aguilar Tone Hammer 350 - 350-Watt Super Light Head

350W Solid State Bass Head with Drive Control and Balanced DI Output
5/5 8 Write review Item ID: ToneHammer350
Aguilar Tone Hammer 350 - 350-Watt Super Light Head image 1
Aguilar Tone Hammer 350 - 350-Watt Super Light Head image 1
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Aguilar Tone Hammer 350 - 350-Watt Super Light Head
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Bass Power, To Go

Sporting the same form factor and basic features as its bigger brother (minus the effects loop and one speakON jack), the Aguilar Tone Hammer 350 packs a 350-watt wallop. Slip this toneful, ultra-compact bass head into your gig bag and you're ready to roll. Whether you're playing club dates or recording in the studio, the Tone Hammer 350 delivers classic Aguilar sound, along with the tonal flexibility to complement any musical style. Get awesome tone in this supremely portable package with the Aguilar Tone Hammer 350.

World-famous Bass Players Choose Aguilar

Aguilar Amplification's pickups, preamps, amplifiers, effects, and cabinets are created by bass players, for bass players. Whether you're playing out live or recording in the studio, Aguilar Amplification products are designed to give you the best experience possible. World-famous bassists like John Patitucci (Chick Corea), Adam Clayton (U2), and Paul Turner (Jamiroquai) have discovered the tone, power, and reliability of Aguilar products. Call Sweetwater today to find out for yourself!

Aguilar Tone Hammer 350 Bass Head Features:
  • 300 watts of portable bass power
  • Class D power amp keeps weight down
  • 1 x 1/4" input jack compatible with all active and passive basses
  • XLR balanced output with pre-/post-EQ and ground lift switch
Get serious bass power without the weight with the Aguilar Tone Hammer 350!

Additional Media

Bass Guitar Amp Buying Guide
Tone Hammer 350 - 350-Watt Super Light Head User Manual

Tech Specs

Type Solid State
Number of Channels 1
Total Power 350W, 4 ohms/175W, 8 ohms, Class D
EQ 3-band (Mid Tone/Mid Level Control)
Inputs 1 x 1/4"
Outputs 1 x speakON, 1 x XLR, 1 x Tuner
Height 2.75"
Width 8.25"
Depth 7.5"
Weight 3 lbs.
Manufacturer Part Number 515-015

Customer Reviews

Based on 8 reviews
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Aguilar Tone Hammer 350-Watt Head

This bass head is an incredible amplifier especially paired with the Aguilar SL 112x12" Cabinet which I purchased from Sweetwater also. The sound is so clear and round that I can hardly believe that such a compact head could have such incredible output. Along with the head and cabinet I use a Fender Jazz Bass MIM. My bass sounds so exquisite and the combo is such a fantastic rig. I would definitely recommend this amplifier head as I learned about it from Alberto Rigoni on YouTube he is such a fine bass player. I was moved by the fact that each piece [head/cabinet/bass] was so compact but with a sound that was unsurpassed by almost any rig head/cabinet/bass I have played through. Thanks to Sweetwater for offering this Aguilar Tone Hammer Head as well as the Aguilar SL 112x12" Bass Cabinet. I am not able to describe the Aguilar Tone Hammer Head in a way that it deserves to be acknowledged. The aesthetics and power of this compact Tone Hammer 350-Watt Head deserves a review that reflects its complex but at the same time so embracing abilities. The sound as well as its simplicity or its small platform but powerful execution in performance is to me a real winner! My hats off to Aguilar!
Music background: Home Studio Musician

Great sound

I love the all the different tones you can get tweaking the drive,gain and mid controls. A little bit of fiddling goes a long way.


I am really excited to have this amp. I have been lugging around an Ampeg for 16 years and it was time to lighten the load. I have this head and a SL 112 cab. The speaker is 25lbs and the head fits in my gig bag. Oh yeah and it has the most amazing tone. That's just a bonus

Great Sound ! Super Ligth!

I am a sound eng and always deal with bass players that have to move all the controls in their amps for a long time bejore they seem to be happy. Then I have to adjust many things in my board to get that sound right in the PA. In two occasions I worked with bass players using Aguilar and it was plug and play and that was my main reason to buy an Aguilar for my self. I am just starting playing bass and I got a tone hammer 350 and the SL112 cabinet. My bass is an Ibanez SR500 and I am very happy with the sound quality of my set up. I love the drive control because is very smooth, also the parametric MID control is very effective and the adjustment for the tweeter in the cabinet is also a big plus!. Very High Quality !

amazing 3 lb amp.

Bought this along with two sl112 cabs . Best rig I have ever owned. There's nothing lacking about it. Norb helped me and did a great job.
Music background: very part time bassist

Sweetwater Advice

Don Carr

Aguilar has quite a reputation among bassists. Their endorser list is huge and includes every genre of music and style of bass playing you can think of. In short, Aguilar gear is well-respected and very flexible. The Tone Hammer 350 carries the reputation forward by taking Aguilar's monster-sounding, proprietary AGS (adaptive gain shaping) circuit from the Tone Hammer Pre-Amp/Direct box and putting it into an unbelievably compact 350-watt amp head, at a price that's equally unbelievable! Fire It Up Armed with a 5-string, Sterling Ray35CA, I plugged the Tone Hammer 350 into an Aguilar DB 410 cabinet. The Tone Hammer is rated at 350 watts and the DB 410 is a 4x10 cabinet that's rated at 700 watts so I knew I could really open the amp up and put it to the test. With the EQ and gain set at 12 o'clock, I engaged the handy Mute/Operate switch, struck a low E, and started turning up the Master Volume. I stopped at a comfortable listening level, roughly 9 o'clock, and marveled at the massive low-end, punchy mids, and clean highs. Playing over the entire range of the bass, I couldn't get over how warm, round, and even every note sounded. Tone The EQ section is voiced right at the sweet spots for bass: Bass at 40Hz, Treble at 4kHz, and a sweepable midrange from 80Hz-1kHz. This contributes greatly to the flexibility of the amp. Turning up the lows really brought the rumble and dialing them back would make your bass sit in whatever mix scenario you were in, regardless of how low-end heavy it was. The highs were clear and crisp and even at the highest setting were never harsh, just snappy and articulate. The sweepable midrange is where the most flexibility lies. Again, even the extreme settings were musical and useful. Boosting the lower-end of the mids made the notes explode and a little went a long way! Cutting the higher end of the mids I could easily find the perfect scoop, from Marcus-style slap tones to rock and metal bite. Drive Speaking of rock and metal bite, turning up the Tone Hammer's Drive control allowed me to get as much growl and grit as I could want, heading toward fuzz territory. The nice thing is that it's subtle until about the half-way point, then the dirt gradually becomes more obvious across the range of the control. With the Drive control in the off position, the amp is super-clean; as you turn it up the Drive and Gain control become inter-dependent, feeding off of each other and creating more flavors of distortion. The Clip indicator lights up when the input level is too high but with the Gain and Drive at higher settings, that was a good thing. I simply used the Master Volume to compensate for volume discrepencies between settings. Even with a bass that has a single, rear-mounted humbucker, I was able to get about any sound I could think of and I barely touched the bass's tone controls! Loud! The entire time I was twisting EQ and Gain/Drive settings, I was messing with the range of the Master Volume control — this little amp gets loud! The Tone Hammer delivered the goods at any volume level; never getting muddy or harsh, even above 2 o'clock. That being said, with the extreme low-end and gain available on the Tone Hammer, it was possible to push the amp into an undesirable clip, but compensating with either the Gain or Bass controls instantly fixed it and preserved the intended tone. The rest of the Tone Hammer's features are all there for practical convenience: a front-mounted DI with a pre/post EQ button, a ground-lift button, a rear-mounted tuner output, a 10dB pad switch on the input to compensate for various instrument output levels, and a cooling fan that I frankly never noticed was on. Wrap Up Tons of killer tones that are plenty loud enough for most small gigs in a 3lb package that's barely larger than a hard-back book, the Tone Hammer is aptly named. "The Ridiculously-Low-Priced-Little-Beast" would be another fitting name for this amp. Aguilar clearly hit the ball out-of-the park with the Tone Hammer 350.
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See also: Bass Amp Heads, Aguilar, Aguilar Bass Guitar Amp Heads