Short answer: the Minirig 4. It ranks #6 of 142 medium speakers by sound quality at $229.95; the B&O Beosound A1 2nd gen ranks #10 and costs $395, which makes this an easy call rather than a real tradeoff.
What the Minirig 4 offers: Modular, can easily attach a subwoofer. Finally USB-C charging. Dynamically changes sound based on forward facing or upward facing orientation Watch for: Calls itself splash resistant and has no official water rating. App is buggy. A bit expensive. Has reliability issues more often than any other speaker
What the B&O Beosound A1 2nd gen offers: B&O Beosound A1 2nd gen uses 3.5mm aluminium driver + 0.75 inch silk dome tweeter. Its 558 g, claimed 18 hours (Manufacturer specified) battery life, IP67 protection, up to 93dB and mono playback make it a practical option for its intended room or portable use. Watch for: Bass is limited by its 58Hz specification.
Buy the Minirig 4. It ranks higher for sound quality than the B&O Beosound A1 2nd gen and costs less, which settles it without a real tradeoff to make.
If battery life is a priority, the Minirig 4 is rated for 30 hours versus 18 hours for the B&O Beosound A1 2nd gen.
Water resistance is not close: the B&O Beosound A1 2nd gen is rated at IP67 (brief submersion), well ahead of the Minirig 4 at Splash resistant (splashing).
Looking for alternatives? See the complete Portable Bluetooth rankings.
Specifications Side By Side
| Minirig 4 | B&O Beosound A1 2nd gen | |
|---|---|---|
| Price | $229.95 | $395.00 |
| Ranked | #6 of 142 in Medium Size Portable Bluetooth Speakers | #10 of 142 in Medium Size Portable Bluetooth Speakers |
| App | Yes | Yes |
| Aux Input | Yes | No |
| Aux Latency | 0ms | - |
| Bass Extension (-10dB) | 56Hz | 58Hz |
| Battery Life | 30 hours (Manufacturer specified) | 18 hours (Manufacturer specified) |
| Bluetooth Codecs | AAC, SBC | SBC, AAC, aptX Adaptive |
| EQ | Yes | Yes |
| IP Rating | Splash resistant | IP67 |
| Bluetooth Latency | 60ms | 90ms |
| Maximum SPL | 106dB (measured by Alan Ross Reviews) | 93dB (measured by Alan Ross Reviews) |
| Power Bank | Yes (USB-C) | No |
| Power Input | USB-C | USB-C |
| Stereo | No | No |
| Omnidirectional | Pointing up | Pointing up |
| TWS | Yes (Bluetooth or cable) | Yes |
| Weight | 1.2 lbs (550 g) | 1.2 lbs (558 g) |
| Bluetooth Version | 5.0 | - |
| Dimensions | 4" x 2.9" (101.6 x 73 mm) (diameter x height) | - |
| Drivers | 70mm custom driver | 3.5mm aluminium driver + 0.75 inch silk dome tweeter |
| Frequency Response | 60Hz - 18kHz (Manufacturer specified) | - |
| Amplifier Power | 50W | - |
| Built-in Microphone | Yes | Yes |
| Digital Aux Input | No | Yes (USB-C) |
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Prices on this page were last checked September 16, 2026 at 12:41 AM UTC. Product prices and availability are accurate as of that date/time and are subject to change; the price and availability shown on Amazon at the time of purchase will apply to the purchase of this product.
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The Two Speakers In Full
Minirig 4: $229.95 Amazon eBay
Pros: Modular, can easily attach a subwoofer. Finally USB-C charging. Dynamically changes sound based on forward facing or upward facing orientation. Measured bass extension of 56Hz (-10dB).
Cons: Calls itself splash resistant and has no official water rating. App is buggy. A bit expensive. Has reliability issues more often than any other speaker
Full Minirig 4 review and specifications →
| Amplifier Power | 50W |
|---|---|
| App | Yes |
| Aux Input | Yes |
| Aux Latency | 0ms |
| Bass Extension (-10dB) | 56Hz |
| Battery Life | 30 hours (Manufacturer specified) |
| Bluetooth Codecs | AAC, SBC |
| Bluetooth Latency | 60ms |
| Bluetooth Version | 5.0 |
| Built-in Microphone | Yes |
| Digital Aux Input | No |
| Dimensions | 4" x 2.9" (101.6 x 73 mm) (diameter x height) |
| Drivers | 70mm custom driver |
| EQ | Yes |
| Frequency Response | 60Hz - 18kHz (Manufacturer specified) |
| IP Rating | Splash resistant |
| Maximum SPL | 106dB (measured by Alan Ross Reviews) |
| Omnidirectional | Pointing up |
| Power Bank | Yes (USB-C) |
| Power Input | USB-C |
| Stereo | No |
| TWS | Yes (Bluetooth or cable) |
| Weight | 1.2 lbs (550 g) |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
B&O Beosound A1 2nd gen: $395.00 Amazon eBay
Pros: B&O Beosound A1 2nd gen uses 3.5mm aluminium driver + 0.75 inch silk dome tweeter. Its 558 g, claimed 18 hours (Manufacturer specified) battery life, IP67 protection, up to 93dB and mono playback make it a practical option for its intended room or portable use. Measured bass extension of 58Hz (-10dB).
Cons: Bass is limited by its 58Hz specification.
Full B&O Beosound A1 2nd gen review and specifications →
| App | Yes |
|---|---|
| Aux Input | No |
| Bass Extension (-10dB) | 58Hz |
| Battery Life | 18 hours (Manufacturer specified) |
| Bluetooth Codecs | SBC, AAC, aptX Adaptive |
| Bluetooth Latency | 90ms |
| Built-in Microphone | Yes |
| Digital Aux Input | Yes (USB-C) |
| Drivers | 3.5mm aluminium driver + 0.75 inch silk dome tweeter |
| EQ | Yes |
| IP Rating | IP67 |
| Maximum SPL | 93dB (measured by Alan Ross Reviews) |
| Omnidirectional | Pointing up |
| Power Bank | No |
| Power Input | USB-C |
| Stereo | No |
| TWS | Yes |
| Weight | 1.2 lbs (558 g) |
- Reviews, Comparisons and Sound Samples
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