The catch
Yamaha P-145BT
It offers one headphone connection and has no onboard recorder.
Side by side
Yamaha P-145BT vs Casio PX-S1100: Two listeners and battery practice are Casio's, while Yamaha sends USB audio
Quick verdict
The PX-S1100 is the choice for two listeners, battery operation and onboard recording. If direct USB audio to a computer is your priority, choose the P-145BT instead.
Before you buy
Why, and what it costs you
A purchase that looks solo changes when two people listen
Two headphone sockets are on the Casio, and one is on the Yamaha. When someone else listens to your practice in the same room, the Casio provides the second physical connection. Look into the headphones and the practice-mode routing, and do not assume a duet setting gives each player isolated sound.
Where this comes from
Headphone sockets: P-145BT 1, PX-S1100 2. Two-player mode: P-145BT Yes, PX-S1100 Yes. This is a conditional workflow inference drawn from these documented inputs. There is no matched performance measurement.
The catch
Casio PX-S1100
Leave extra room for the music rest and cables on top of the bare body.
Yamaha P-145BT
- Why pick it
- Your recording software has to receive the internal sound over USB
- The catch
- It offers one headphone connection and has no onboard recorder.
Casio PX-S1100
- Why pick it
- A teacher or partner listens in on headphones
- You keep practice takes without having to open a computer
- The catch
- Leave extra room for the music rest and cables on top of the bare body.
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What this page compares
Yamaha P-145BT vs Casio PX-S1100, compared on headphone sockets, internal recorder tracks and battery operation, plus the practice routines that decide the better choice.
Players who want weighted keys without a furniture cabinet will find these compact home pianos appealing. When a small room is shared, the headphone count and recording routes matter.
Which one fits
Pick the situations that sound like you
A teacher or partner listens in on headphones
Two headphone sockets are on the Casio, and one is on the Yamaha. When someone else listens to your practice in the same room, the Casio provides the second physical connection. Look into the headphones and the practice-mode routing, and do not assume a duet setting gives each player isolated sound.
- Yamaha P-145BT
- Caution
- Casio PX-S1100
- Better fit
You keep practice takes without having to open a computer
Two-track MIDI recording and USB flash-drive audio recording are both available on the PX-S1100. The P-145BT depends on a connected device to capture a performance. If you want to record a short passage and hear it straight back, the difference changes how many devices you need ready.
- Yamaha P-145BT
- Caution
- Casio PX-S1100
- Better fit
You shift between two small practice spaces
At 232 mm, Casio's body is 36 mm shallower than Yamaha's 268 mm body, and it can run on AA batteries. Those two facts help when the piano shuttles between a desk and another room. Neither guarantees a fit for either piano once the rest, stand and cables are in place.
- Yamaha P-145BT
- Good
- Casio PX-S1100
- Better fit
Your recording software has to receive the internal sound over USB
A USB audio interface comes with the Yamaha. Casio takes different routes, with its USB MIDI connection and flash-drive recorder.
- Yamaha P-145BT
- Better fit
- Casio PX-S1100
- Caution
In practice
Differences you will notice
A purchase that looks solo changes when two people listen
Two headphone sockets are on the Casio, and one is on the Yamaha. When someone else listens to your practice in the same room, the Casio provides the second physical connection. Look into the headphones and the practice-mode routing, and do not assume a duet setting gives each player isolated sound.
How we worked this out
Headphone sockets: P-145BT 1, PX-S1100 2. Two-player mode: P-145BT Yes, PX-S1100 Yes. This is a conditional workflow inference drawn from these documented inputs. There is no matched performance measurement.
Casio's built-in tools suit recording without a laptop
Two-track MIDI recording and USB flash-drive audio recording are both available on the PX-S1100. The P-145BT depends on a connected device to capture a performance. If you want to record a short passage and hear it straight back, the difference changes how many devices you need ready.
How we worked this out
Internal recorder tracks: P-145BT No internal recorder, PX-S1100 2. Audio recording to USB memory: P-145BT Not established in the checked record, PX-S1100 Yes. Live USB audio interface: P-145BT Yes, PX-S1100 No. This is a conditional workflow inference drawn from these documented inputs. There is no matched performance measurement.
In a temporary corner, depth and power add up
At 232 mm, Casio's body is 36 mm shallower than Yamaha's 268 mm body, and it can run on AA batteries. Those two facts help when the piano shuttles between a desk and another room. Neither guarantees a fit for either piano once the rest, stand and cables are in place.
How we worked this out
Depth before music rest: P-145BT 268 mm, PX-S1100 232 mm. Battery operation: P-145BT Not established in the checked record, PX-S1100 Yes. This is a conditional workflow inference drawn from these documented inputs. There is no matched performance measurement.
Option A
Yamaha, P-145BT
P-145BT
You get an 88-key hammer action, Bluetooth backing tracks and USB audio recording in the P-145BT. Before turning it into a permanent practice station, pair it with a compatible stand and check the pedal.
- Best for
- Your recording software has to receive the internal sound over USB
Facts we checked
- Sockets for headphones: 1
- Internal recorder tracks: There is no internal recorder
- Battery operation: The checked record does not establish it
- Live USB audio interface: Present
Option B
Casio, PX-S1100
PX-S1100
With a 232 mm body depth, battery operation and two headphone sockets, this piano works in a flexible practice corner. The Amazon offer selected here is white and comes with the wireless adapter.
- Best for
- A teacher or partner listens in on headphones
Facts we checked
- Sockets for headphones: 2
- Tracks on the internal recorder: 2
- Battery operation: Supported
- Live USB audio interface: Absent
Spec by spec
Where they really differ
| Spec | Yamaha P-145BT | Casio PX-S1100 | In practice |
|---|---|---|---|
| Headphone sockets | 1 | 2 | Before you plan a shared session, count the actual listeners and check plug sizes and mode routing. |
| Internal recorder tracks | No internal recorder | 2 | A large number by itself counts for less than track allocation and independent overdubbing. |
| Battery operation | Not established in the checked record | Yes | Weigh this documented difference against how you plan to practice. |
| Live USB audio interface | Yes | No | Whether compatible software can take the internal piano sound directly over USB depends on this. |
| Depth before music rest | 268 mm | 232 mm | The music rest, cable route and comfortable playing clearance are all left out of bare depth. |
Trade-offs
What each pick costs you
With Yamaha P-145BT
- The Bluetooth audio feature is for receiving music. It does not give you wireless headphones or Bluetooth MIDI.
With Casio PX-S1100
- Both USB audio-file recording and Bluetooth use the same USB-A socket, so work out your connection plan.
Change of plan
When the answer changes
Your recording software has to receive the internal sound over USB
Go with Yamaha P-145BT. A USB audio interface comes with the Yamaha. Casio takes different routes, with its USB MIDI connection and flash-drive recorder.
A teacher or partner listens in on headphones
Go with Casio PX-S1100. Two headphone sockets are on the Casio, and one is on the Yamaha. When someone else listens to your practice in the same room, the Casio provides the second physical connection. Look into the headphones and the practice-mode routing, and do not assume a duet setting gives each player isolated sound.
You need a verified winner on mechanical key noise or on personal playing comfort
Neither model fits. Manufacturer records contain no matched test for those outcomes. Try the instruments under the conditions you intend to play in.
Decision guide
How to decide
A purchase that looks solo changes when two people listen
Two headphone sockets are on the Casio, and one is on the Yamaha. When someone else listens to your practice in the same room, the Casio provides the second physical connection. Look into the headphones and the practice-mode routing, and do not assume a duet setting gives each player isolated sound.
Casio's built-in tools suit recording without a laptop
Two-track MIDI recording and USB flash-drive audio recording are both available on the PX-S1100. The P-145BT depends on a connected device to capture a performance. If you want to record a short passage and hear it straight back, the difference changes how many devices you need ready.
In a temporary corner, depth and power add up
At 232 mm, Casio's body is 36 mm shallower than Yamaha's 268 mm body, and it can run on AA batteries. Those two facts help when the piano shuttles between a desk and another room. Neither guarantees a fit for either piano once the rest, stand and cables are in place.
What this page can’t tell you
- This comparison rests on documented specifications and conditional reasoning about your setup. We have not put key feel, mechanical noise or speaker performance side by side and measured them.
- The dimensions given are for the specified body or cabinet. Allow space as well for the rest, cables, bench and player.
- Before you order, verify the exact Amazon model, color, supplied accessories, condition and delivery date.
By the numbers
What the data shows
What we found across the digital pianos we compare, plus the checked facts behind each finding.
Show the facts and the math
| Product | Needs it meets | Facts we checked | Sources |
|---|---|---|---|
| Yamaha P-145BT |
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| Casio PX-S1100 |
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Ready to buy
See today’s price and what owners say
Open either model on Amazon for the current price, customer reviews and delivery options.
Yamaha P-145BT
Your recording software has to receive the internal sound over USB
See price & reviews on AmazonCasio PX-S1100
A teacher or partner listens in on headphones
See price & reviews on AmazonEach link opens in a new tab.
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