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Availability:
In Stock.
Arrives
Sunday, Jun 7
Style: 300 Series
Size: 4-String
Color: Factory Blue
Features
- Guitar Bridge System: Adjustable
- Guitar Pickup Configuration: Combination
- Hand Orientation: Right
Description
The Yamaha TRBX 304 bass combines a modern contoured body with active electronics and a choice of five stylish colors—including the new Factory Blue finish. The instrument’s sculpted solid mahogany body and fast 5-piece maple/mahogany neck make it exceptionally comfortable to play, while powerful YGD M3 ceramic pickups and Performance EQ circuitry with five preset curves and 2-band master equalization deliver a huge range of stage-ready tones. Straight string pull from nut to tuners eliminates lateral tension, providing superior tuning stability and reducing overtones, while a high-mass die-cast bridge efficiently transfers string vibrations to the body, resulting in increased sustain.
Brand: Yamaha
Size: 4-String
Color: Factory Blue
Item dimensions L x W x H: 17 x 6 x 52 inches
Top Material Type: Mahogany, Maple
Back Material Type: Basswood, Mahogany, Maple
String Material Type: Alloy Steel
Finish Type: Blue
Instrument: Guitar
Item Weight: 12 Pounds
Brand Name: Yamaha
Instrument: Guitar
Set Name: 300 Series
Manufacturer: Yamaha
UPC: 889025129589
Global Trade Identification Number: 89
Manufacturer Part Number: TRBX304 FTB
Hand Orientation: Right
Model Number: TRBX304 FTB
Warranty Description: 1 year manufacturer warranty yamaha corporation of america (yamaha) is proud of the experience and craftsmanship that goes into every product we represent. Yamaha sells its products through a network of authorized yamaha retailers. Only these authorized retailers are equipped with sales and service support materials and training that are not readily available to non-authorized retailers. The yamaha limited warranty applies only to products that have been purchased from an authorized yamaha retailer in the fifty united states (including the district of columbia) and used in this area. For more information, please review the yamaha limited warranty for this product on our website.
Item Type Name: Bass Guitar
Unit Count: 1.0 Count
Included Components: Bass Guitar, YGD M3 ceramic pickups, Performance EQ circuitry
Instrument Size: 4-String
Item Dimensions: 17 x 6 x 52 inches
Item Weight: 12 Pounds
Top Material Type: Mahogany, Maple
Back Material Type: Basswood, Mahogany, Maple
String Material Type: Alloy Steel
Body Material Type: Mahogany
Material Type: Mahogany
Color: Factory Blue
Finish Type: Blue
Operation Mode: Manual
Number of Strings: 6
Connector Type: 1/4" jack
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Sunday, Jun 7
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Style: 500 Series
Size: 4-String
Color: Translucent Black
You can stop looking. If you're ready to graduate from the $150-250 beginner range but don't think you're yet ready to drop a grand on a bass, this is the one. Hell, you don't even really need to drop more on one, this is flexible enough for anything you need. Looked and felt great right out of the box. Only a very minor truss adjustment to correct a little fret buzz and I was off to the races. From this price point on up, you'd be wise to take it to a luthier (most guitar shops will have one on staff) to get it adjusted just to make sure it's in top shape, if you haven't done it yourself. You can learn to adjust (it isn't difficult) but it isn't very expensive to have it done for you, either. The active/passive pickup is a great addition and worth the step up from the 304. Once I started using it, I'm not sure how I was able to do without it for so long. The back of the body has an LED battery warning indicator so you won't be caught flat-footed with a dead battery when you're in active mode. It does automatically switch over to passive when it loses power, though. Don't take the missing fifth star as criticism. I only use five stars for above and beyond. Take the fours as ringing endorsements. To address the categories Amazon asked about: As far as for beginners, you can find less expensive basses in the $150-200 range, this might be a little pricey for someone's first instrument. The TRBX174 at about $229 (they're still widely available as of April 2021) might suit the absolute beginner a little better at a much lower price point. That said, you definitely can't go wrong with this one if the money isn't a concern. Craftsmanship is top notch. This bass is made in Indonesia. I was a little squirrelly, but the construction is top notch and I found nothing to complain about. I couldn't find any obvious flaws, and it looks, feels, and plays great. No cheap construction materials here. It was perfectly tuned and had only minor fret buzz out of the box, something common with any bass. One quick adjustment and we're off. Versatility is the best I've experienced so far. It works great in the basement, studio or stage. I mostly use it for practice and home use, but it's stood up to everything I've thrown at it. I've tried to find limitations but haven't found any. The active/passive option is something I didn't think about when I ordered; I'd never played with it before. But now that I have it it's like adding a fifth gear, I notice its absence when I'm playing any of my other basses. In short: this is your sign that this is the bass for you.
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Reviewed in the United States on April 6, 2021 by Gecko Reutzel
Style: 100 Series
Size: 4-String
Color: Old Violin Sunburst
I'm not sure how many stars to give... The delivery was a bit botched, but the bass itself is excellent. Evidently there was a mixup between Austin Bazaar and FedEx. The tracking number was issued at 10:45 one morning., but the package wasn't picked up by FedEx until 5:00 p.m. the next day, resulting in my bass being delivered a day late. The bass was double-boxed. The outer box was immaculate, the inner box (from Yamaha) was pretty torn up, but the bass itself was fine. My bass is a lot darker than the photos on the website, almost black. The lighter sunburst color is really only visible under the strings. I wish that weren't the case, but it's still a pretty instrument. I suppose that it's the luck of the draw, and for an inexpensive instrument, I shouldn't complain too loudly. When it arrived, the strings were so slack that my tuner couldn't register the notes. I tuned it and played for a few minutes, then was called away for an hour. When I got back to it, all the strings were a bit flat. Over the next day or two this continued, with the strings a little less flat each time, so evidently, they'd never been brought up to proper tension. I think that's a good thing, the strings should last me longer. The last couple of days it's stayed in tune, so the tuners weren't slipping. As far as I can tell, the neck is straight and the bass is intonated well. I'm waiting for a gig bag to be delivered, then I'll have it properly set up by a guitar tech. I'm a guitar player who decided to try bass. A couple of years ago, I bought a Rumble 40 amp and an Ibanez Mikro (short scale bass) because its scale length isn't much longer than a guitar. Gig bags, straps, storage racks, and etc. for use with a guitar work well with it and it's inexpensive. I enjoyed playing it, but there was an indefinable something missing from its sound. I decided that I might like to take bass lessons and wanted to learn on a regular size bass, so I spent a couple of weeks researching them before deciding on this one. I've only been playing the Yamaha a few days, but I really like its sounds. I'm 70 years old, and like old music. I don't play slap bass, rap, hip hop, reggae, or etc., so I can't comment on how useful it is for those styles. For 1950s-1970s-style country and pop, its everything I could wish for. Many basses power on an active circuit when you plug in the instrument cable. I'm in the habit of leaving the cable plugged into an instrument when putting it back into the rack, so I didn't want a bass which would drain a battery if I did that. This bass has passive pickups (like the Fender P and J basses) and doesn't even have a compartment for a battery. All in all, I'm pretty happy with it.
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Reviewed in the United States on January 20, 2026 by Richard S.
Style: 300 Series
Size: 4-String
Color: Mist Green
My first bass; arrived in excellent condition and plays great! Fit and finish is competitive with my guitars which cost double or more. Only caveat was I didn’t seem to have a battery included for the active pickups. Wasn’t a big deal for me as I had a spare 9v, but just a consideration.
Reviewed in the United States on December 11, 2025 by EggMan
Style: 500 Series
Size: 4-String
Color: Translucent Brown
Came a day early, and definitely lived up to expectations. This bass sounds awesome, and has so many different tonal options. The neck and overall feel of the bass is 👌 I did have to do a slight adjustment and setup out of the box, but I have come to expect that when purchasing instruments online. No QC problems whatsoever. All in all, this is a great looking, feeling, and sounding bass with a TON of versatility.
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Reviewed in the United States on November 30, 2025 by Cody Jenkins
Style: 500 Series
Size: 4-String
Color: Translucent White
I've been playing guitar for nearly 20 years and this is my first bass. I like it quite a bit and would say it's a good deal for the price. I have a few minor complaints though. The picture shows a gig bag but mine did not include one. I would have ordered a separate bag/case ahead of time if I knew one wouldn't be included. A $500+ instrument should at least include a cheap basic bag. The fret ends on my bass aren't great. They're not really sharp but I've been snagged a couple of times while playing. Some have the tang sticking out slightly from the sides of the fretboard too. They could definitely use some work. Pretty disappointing because during my research I saw many people raving about Yamaha's top-notch quality control on their budget instruments. I've had other instruments in this price range with much better fret work. I got the translucent white model and there is a small blue stain on the front of the body. Not sure how that would have happened. I don't really like the look of the finish much either. It looks cheap up close and in most lighting appears more grey than white. Not a huge deal but worth pointing out for those that care about appearance. Oh, and some of the knobs/pots are a bit concerning. For instance; If I pull lightly on the volume knob it makes a weird sound, kind of like tape being peeled or velcro being pulled apart. Obviously you shouldn't be tugging on the volume knob, but it's just something odd I noticed during inspection and worries me a bit about durability. Other than that, the bass sounds great and feels great. The all-satin finish is very comfortable, as well as the body carves. It's quite lightweight and well-balanced. Honestly one of the best feeling instruments I've ever played. The neck profile is nice and slim too. The nut is cheap but seems to be carved properly. The tuners are also cheap and don't feel great, but they work just fine. Pickups sound really good. I haven't experimented with the active EQ much yet because I really like the passive tone, but it seems to be very versatile and responsive to knob turns. Not sure if the music store I purchased it from through Amazon made any adjustments, but the setup was pretty good out of the box. I had fret buzz from the 7th to 12th frets and made small adjustments to the truss rod and action, but nothing major. I thought it could be due to some high frets but can't say for sure without the appropriate tools to test. I'll update this review if I eventually discover the frets aren't properly leveled. Overall it's a solid bass for the price and would definitely be a great choice for beginners and experienced players alike. I really love the feel and sound of it despite my complaints. Would definitely be 5 stars if the frets and overall QC were a little better, but hey, maybe you'll have better luck than me. I'll definitely be checking out some more Yamaha instruments in the future.
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Reviewed in the United States on September 30, 2023 by Matt
Style: 600 Series
Size: 5-String
Color: Natural Satin
This bass was set up very well and was ready to play right out of the box. It's light and well-balanced, looks every bit as good as the pictures. The neck is just a bit wider than my 70's Precision (4 string), but it's thinner so is actually much easier to get around. The overall sound is good -- and may be great once I find the best strings for it. The active/passive switch and the LED battery indicator are both really handy and not often found in this price range. I re-strung it for a high C tuning and changed to a lighter gauge of strings with a 0.040" G string. Though the nut slots are much wider than I need for this setup, I haven't experienced any problems with playability or tuning. I've been able to set the action fairly low, just above 2mm at the 24th fret except for the E string which needed 3mm. The total length and the body are both somewhat smaller than a Precision, and it feels really comfortable. The flip side is that finding a hard case that fits snugly is a challenge since Yamaha doesn't sell one, and it moves around far too much in the cases I already have. But it's totally fine in my gigbag. If there's a weak spot for this instrument it's the onboard EQ. I find it useful for making minor tweaks to the sound but not for any kind of radical sculpting. In particular the mid control seems to have a fairly low center frequency so I've not been able to use it to get a good scooped slap sound or to dial in a satisfying mid-forward sound for soloing. But I can use the amp or an outboard processor for that. I expected high quality from Yamaha, and I feel they delivered.
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Reviewed in the United States on April 6, 2023 by Dave Clark
Style: 300 Series
Size: 5-String
Color: Candy Apple Red
I like the bass very much. The neck is so thin that you don't even realize it's a 5-string. And the “pickup switch” gives you quick access to various sound presets. And it's just a beautiful guitar.
Reviewed in the United States on March 28, 2026 Reviewed in the United States on March 28, 2026 by John Stam
Style: 500 Series
Size: 4-String
Color: Translucent Black
I mainly play a fretless bass but I like to play a fretted bass at times. My old fretted bass is worn out and spending 2k on an instrument that isn't my main go to bass is not something I'm going to do. This Yamaha is a great bass. The finish is perfect. Even in the hole to adjust the truss rod. I got the translucent black and It's a very black matte look. The frets are not super polished but are not sharp or sloppy. They play really nice, stand tall, and are capable of a wide variety of tones with different playing stlyes. The 5 piece neck is really playable. I'm really digging it. Mine is perfectly adjusted right out of the box. Tuning pegs have a really cool gunmetal finish and are adjustable if the ever get sloppy. Bridge is the same gunmetal finish and isn't high mass but it's not flimsy like the stock fender and it is the standard 5 screw type if I ever decided to change it. I don't think I'll do it anytime soon. The sustain resonates so well. Maybe better than my pricey fretless. I'm really into the mahogany body. Mine came with the intonation setup perfectly. It shipped detuned as it should've. All I did was stretch the string and tune it. Man do these electronics shine. I've got to spend some more time really learning the controls but I was able to dial in a few tones I wanted to try immediately. My first impression of the strings is that they really suck. Maybe that's true but they do play well and they're not dead but I bought a set of my favorite strings that I'll get on when I get sick of these. Overall I got a lot more bass than I expected for the money. A beginner could really grow into this and more advanced players should be quite satisfied.
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Reviewed in the United States on September 14, 2019 by Zio Enzo