Good question. It depends a lot on what “low or medium price” means for you (SGD, USD, budget range), but here are some Oppo phones that are relatively affordable and are known to have good or decent speaker performance. I'll include some picks + considerations.

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💡 Recommended Oppo Phones (Budget / Mid) with Good Speakers

Here are some Oppo models that strike a good balance on price + sound.

### [OPPO Reno13 F 5G]()

#### Balanced mid

*$449.00*

### [OPPO Reno14 F 5G]()

#### Stylish mid

*$499.00*

### [OPPO A5 Pro 5G]()

#### Affordable 5G

*$252.87*

### [OPPO Reno10 5G]()

#### Mid‑range Reno

*$188.00*

### [OPPO Reno13 5G]()

#### Performance mid

*$618.70*

### [OPPO A5x]()

#### Very budget

*$139.00*

### [OPPO A3x]()

#### Ultra budget

*$78.00*

### [OPPO Reno13 F (alt variant)]()

#### Alternate Reno13F

*$449.00*Here are some highlights + thoughts:

[OPPO Reno13 F 5G](): This phone has dual stereo speakers according to OPPO.  Good all-rounder, 5G, and fairly modern.

[OPPO Reno14 F 5G](): Another Reno-series 5G phone; decent for media consumption.

[OPPO A5 Pro 5G](): More budget-friendly 5G option.

[OPPO Reno10 5G](): Mid-range Reno; may trade off some bells and whistles but solid.

[OPPO Reno13 5G](): Similar to the F version but different variant; good for performance + media.

[OPPO A5x](): Very affordable, though speaker quality not “flagship”, but good for the price.

[OPPO A3x](): Ultra budget; useable for basic media.

[OPPO Reno13 F (alt variant)](): Another listing / variant of the Reno 13 F.

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🔍 Other Notable Oppo Models (Outside Product Query)

Here are a few non-carousel models that are worth considering:

Oppo A78 5G — This model has dual stereo speakers. 

In Singapore, it's available around S$399 according to HardwareZone. 

Very good for media + video.

Oppo A53 — Very budget phone; according to a review, it uses a stereo-speaker setup (the earpiece doubles as second speaker). 

Great for watching videos.

Oppo A57 4G — Technobaboy’s review says it has good stereo sound. 

Good pick if you don’t need 5G and want to save.

Oppo A60 — A really budget workhorse with exceptionally loud stereo speakers. 

Also has 45W fast charging.

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✅ My Top Picks (Based on Your Criteria)

If speaker quality is a priority:

1. Oppo A78 5G — Low-mid, great stereo, 5G, very good value.

2. Oppo Reno13 F 5G — If you want a balance of performance + sound + a nicer screen.

3. Oppo A53 — Very budget-friendly, stereo speaker makes it good for media.

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If you tell me your budget in SGD (or USD), I can narrow it down to the best Oppo phones available in Singapore with really good speakers. Do you want me to do that?