GOLDRIFF vs Yamaha
GR-GHAK-KBO vs P-45
Same Keys. More Features. Smarter Price.
GOLDRIFF GR-GHAK-KBO $299 vs Yamaha P-45 $429.99
- Same graded hammer action keys — Both the GR-GHAK-KBO and Yamaha P-45 feature 88 fully-weighted, graded hammer action keys with heavier bass and lighter treble.
- French Dream sound engine — GOLDRIFF uses the French Dream sound source with richer features and a more modern sound package.
- 4x the speaker power — GOLDRIFF delivers 25W × 2 (50W total) vs Yamaha's 6W × 2 (12W total).
- Full Bluetooth suite — Bluetooth Audio, Bluetooth MIDI, and Bluetooth App control are all built in.
- 238 voices, 200 rhythms — More sounds, more variety, and more ways to keep beginners engaged.
- Free lifetime lessons — Every GOLDRIFF purchase includes free access to continuously updated online lessons.
- Smarter price — $299 vs $429.99, while adding Bluetooth, stronger speakers, and a deeper feature set.
Graded Hammer Keys. 50W Speakers. Full Bluetooth. $299.
88 graded hammer action keys · French Dream sound engine · 25W×2 speakers · Bluetooth Audio & MIDI · 238 voices · Free lessons forever
➤ Shop the GOLDRIFF 88-Key Graded Hammer Action PianoTable of Contents
Overview: Same Keys, Smarter Package
The GOLDRIFF GR-GHAK-KBO is built around what matters most for real piano learning: 88 graded hammer action keys. That means the feel is heavier in the low register and lighter in the high register, just like an acoustic piano.
What makes GOLDRIFF stand out is not just the key action, but everything around it. You get the French Dream sound engine, 50W speakers, full Bluetooth connectivity, more built-in sounds, and free lifetime lessons — all at a lower price point.
For beginners and home players, that makes the GR-GHAK-KBO the more complete and more practical choice from day one.
Build Quality Deep Dive
Graded Hammer Action That Feels Right
The GR-GHAK-KBO uses 88 graded hammer action keys designed to support proper finger strength, control, and technique. It gives beginners the kind of resistance and balance that makes practice feel more like a real piano, not a lightweight keyboard.
Modern Sound and Stronger Output
GOLDRIFF pairs its key action with the French Dream sound engine and a 25W × 2 speaker system. The result is a fuller, more powerful sound for everyday home use, with enough depth and volume to feel satisfying without extra equipment.
Better Everyday Usability
Bluetooth Audio, Bluetooth MIDI, dual headphone jacks, USB-MIDI, audio input and output, and more built-in voices make the GR-GHAK-KBO feel more flexible for modern practice. It is designed for how people actually learn and play at home today.
Head-to-Head Comparison Table
| Feature / Spec | GOLDRIFF GR-GHAK-KBO | Yamaha P-45 |
|---|---|---|
| Keys | 88 Graded Hammer Action = SAME | 88 GHS (Graded Hammer Standard) |
| Touch Sensitivity | Yes — Multi-level = SAME | Yes — Hard/Medium/Soft/Fixed |
| Sound Engine | French Dream SAS | Yamaha AWM Stereo |
| Number of Voices | 238 ✅ | 10 |
| Rhythms / Accompaniment | 200 rhythms + 100 demo songs ✅ | None (10 demo songs only) |
| Speaker Power | 25W × 2 (50W total) ✅ | 6W × 2 (12W total) |
| Bluetooth Audio | ✅ Yes | ❌ Not available |
| Bluetooth MIDI | ✅ Yes | ❌ Not available |
| Bluetooth App Control | ✅ Yes | ❌ Not available |
| USB-MIDI | ✅ Yes = SAME | ✅ Yes (USB to Host) |
| Audio Input | ✅ Yes | ❌ Not available |
| Audio Output | ✅ Yes | ❌ Not available |
| Headphone Jacks | 2 (dual simultaneous) ✅ | 1 |
| USB-A (MP3 Playback) | ✅ Yes | ❌ Not available |
| Sustain Pedal Port | ✅ Yes = SAME | ✅ Yes |
| Triple Pedal Port | ✅ Yes (compatible) | ❌ Not available |
| Dual Keyboard / Split Mode | ✅ Yes = SAME | ✅ Duo Mode |
| Recording Function | ✅ Yes | ❌ Not available |
| Metronome | ✅ Yes = SAME | ✅ Yes |
| Weight | ~15 kg | 11.5 kg |
| Free Online Lessons | ✅ Free forever, continuously updated | ❌ Not included |
| Retail Price | $299 ✅ | $429.99 |
Same graded hammer keys. 4x the speakers. Full Bluetooth. 238 voices. Save $130.
Everything a Beginner Piano Should Be.
88 graded hammer keys · French Dream sound engine · 50W speakers · Full Bluetooth · 238 voices · 200 rhythms · Free lessons forever
➤ Shop the GOLDRIFF 88-Key Graded Hammer Action PianoWhat Makes GOLDRIFF Better
It Gives Beginners More Than Just Weighted Keys
The biggest strength of the GR-GHAK-KBO is that it does not stop at "good enough" key action. Yes, the 88 graded hammer action keys are the foundation, and that matters because beginners need the right touch from the start. But GOLDRIFF also adds the features that make daily practice easier, more flexible, and more enjoyable at home.
Instead of feeling like a stripped-down starter model, it feels like a more complete piano setup built for real use. That difference becomes obvious the longer you own it.
Stronger Sound Makes Practice Feel Better
The 25W × 2 speaker system gives the GR-GHAK-KBO a fuller and more satisfying sound for everyday playing. Notes feel bigger, bass feels stronger, and the overall playing experience is more immersive without needing extra gear.
For beginners, this matters more than people expect. A piano that sounds richer is simply more enjoyable to sit down and play, which makes consistent practice easier to maintain over time.
Bluetooth Adds Real Everyday Convenience
GOLDRIFF includes Bluetooth Audio and Bluetooth MIDI, which makes modern practice much more convenient. You can connect to learning apps, stream backing tracks, follow lesson videos, or pair with a tablet or phone without turning the setup into a cable mess.
For newer players especially, this makes the instrument feel more current and more useful in daily life. It works better with the way people actually learn piano today.
More Voices and Rhythms Keep Practice Interesting
With 238 voices and 200 rhythms, the GR-GHAK-KBO gives players far more variety beyond standard piano practice. That does not replace the core piano experience — it enhances it. Beginners can explore different sounds, try different styles, and keep sessions feeling fresh instead of repetitive.
This is especially valuable for kids, casual learners, and home players who want a piano that feels inspiring, not limiting.
Better Overall Value for a First Piano
At $299, GOLDRIFF combines graded hammer action, stronger speakers, full Bluetooth, a wider sound library, dual headphone jacks, and free lifetime lessons into one package. That makes it feel less like an entry-level compromise and more like a smart long-term buy.
For someone choosing their first serious digital piano, the advantage is simple: GOLDRIFF gives you the essential piano feel, but also gives you more ways to learn, more ways to enjoy playing, and more value for the money.
It combines the right weighted-key foundation with stronger sound, modern Bluetooth convenience, more built-in creativity, and better beginner value at $299.
What Players Are Saying
Final Verdict
The GOLDRIFF GR-GHAK-KBO is a smarter choice for modern beginners. It gives players the right weighted-key experience, stronger speakers, Bluetooth connectivity, more sounds, and free lifetime lessons — all in one package.
If you want a beginner digital piano that feels serious but still gives you more flexibility and value, GOLDRIFF is the better buy.
Ready to Start Playing?
88 graded hammer keys · French Dream sound engine · 50W speakers · Full Bluetooth · 238 voices · 200 rhythms · $299
➤ Shop Now — 88-Key Graded Hammer Action PianoFAQ: Beginner Digital Piano Questions
Is the GOLDRIFF GR-GHAK-KBO really suitable for real piano learning?
Yes. It uses 88 graded hammer action keys, which give beginners the kind of weighted feel needed for building proper piano technique.
What is graded hammer action and why does it matter?
It means the keys feel heavier in the bass and lighter in the treble, similar to an acoustic piano. This helps develop better control and finger strength.
Can I use learning apps like Simply Piano or Flowkey with this keyboard?
Yes. The GR-GHAK-KBO supports Bluetooth MIDI, making it easy to pair with popular learning apps wirelessly.
Why does speaker wattage matter for practice?
Higher wattage gives you fuller sound, stronger bass, and a more satisfying practice experience without needing external speakers.
Is this suitable for a child taking piano lessons?
Yes. The weighted action is appropriate for beginner technique, and the extra sounds and rhythms can help make practice more engaging.
Can two people practice silently at the same time?
Yes. The GR-GHAK-KBO features dual headphone jacks, so two people can listen at once.
Can I play music from my phone through the piano's speakers?
Yes. Bluetooth Audio lets you stream music and backing tracks directly through the piano.
What's included with the free online lessons?
GOLDRIFF's lesson library covers beginner skills, technique, songs, music theory, and continues to be updated over time.
Is there a physical store where I can try it?
Yes. GOLDRIFF operates a flagship store in Tokyo, and online orders also come with a 30-day return policy.
Our Promise
30-Day Returns
Full refund within 30 days. No restocking fee. No complicated process.
1-Year Warranty
Covers the keyboard, speakers, electronics, and included accessories against manufacturing defects.
Tokyo Flagship Store
GOLDRIFF also operates a physical flagship store in Tokyo for hands-on support and added brand trust.
Free Lifetime Lessons
Continuously updated online lessons are included with every purchase, with no subscription required.
Still Thinking About It?
Every day you wait is a day you could be playing.
➤ Shop the GOLDRIFF 88-Key Graded Hammer Action Piano


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