Short answer: the Adam Audio T5V for better sound quality, the JBL One Series 104 for the lower price. The Adam Audio T5V ranks #12 of 58 powered bookshelf speakers at $239.99. The JBL One Series 104 ranks #56 at $129, $110.99 cheaper.
What the Adam Audio T5V offers: Better than the HS5 in terms of vocals detail and better low end. Watch for: Elevated, slightly uneven top end from the AMT tweeter, shared with Adam’s other T-series monitors - the rear treble trim only tilts the response rather than flattening it. Distortion, while better controlled than most speakers in this price range, isn’t reference quality.
What the JBL One Series 104 offers: Heavy internal EQ from the amplifier meaningfully compensates for otherwise poor raw driver measurements, and casual listening on undemanding content sounded like a scaled-down JBL 305P Mark II - well above typical computer-speaker quality for the price. Solid build quality for a $90-130 powered pair with dual built-in amplifiers. Watch for: Measuring the passive drivers alone (bypassing the amplifier’s EQ) showed “no bass, no low mids, and highly irregular highs” - a disaster by the reviewer’s description. Even with the amplifier’s correction applied, there’s an on-axis cancellation around 7.4kHz from the coaxial driver design, and JBL’s own published frequency-response graph uses a compressed 95dB vertical scale that hides real deviations the reviewer’s 50dB-scale CEA-2034 measurement reveals. Female vocals and “lisping” content became bright and annoying; the reviewer’s verdict was “can’t recommend it though if you want a true hi-fi experience.”
Buy the Adam Audio T5V if sound quality matters more than the price. Buy the JBL One Series 104 if the price matters more than sound quality.
If sound quality matters at all to you, skip the JBL One Series 104. It ranks near the bottom of the 58 powered bookshelf speakers, so look higher up the list instead.
Specifications Side By Side
| Adam Audio T5V | JBL One Series 104 | |
|---|---|---|
| Price | $239.99 | $129 |
| Ranked | #12 of 58 in Medium Size Powered Bookshelf Speakers | #56 of 58 in Medium Size Powered Bookshelf Speakers |
| Bass Extension (-3dB) | 78Hz (measured, Audio Science Review) | 45Hz with the amplifier’s DSP bass boost active (measured, Audio Science Review) |
| Bass Extension (-10dB) | 60Hz (measured, Audio Science Review) | 35Hz with the amplifier’s DSP bass boost active (measured, Audio Science Review) |
| Dimensions | 11.7"H x 7"W x 11.7"D (297.2 x 177.8 x 297.2 mm) | 9.7H x 6W x 4.9D in (per manufacturer, 104-BT) |
| Frequency Response | 58Hz - 24kHz (-3dB) (Manufacturer specified) | 60Hz - 20kHz (Manufacturer specified) |
| Inputs | XLR, RCA | - |
| Weight | 12.6 lbs / 5.7 kg each | 4.5 lbs / 2.06 kg (master), 3.8 lbs / 1.73 kg (slave) |
| Drivers | 5" (127mm) woofer | 4.5" coaxial low-frequency driver, 0.75" soft dome tweeter |
| App | No | No |
| Bluetooth | No | - |
| EQ | Yes (Room adjustment) | Yes (fixed, amplifier-applied) |
| Output Power | 70w Per Speaker | 60W total Class D (30W per speaker) |
| DSP | - | Yes |
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Prices on this page were last checked August 24, 2026 at 6:53 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
Adam Audio T5V: $239.99 Amazon eBay
Pros: Better than the HS5 in terms of vocals detail and better low end.
Cons: Elevated, slightly uneven top end from the AMT tweeter, shared with Adam’s other T-series monitors - the rear treble trim only tilts the response rather than flattening it. Distortion, while better controlled than most speakers in this price range, isn’t reference quality.
Full Adam Audio T5V review and specifications →
| App | No |
|---|---|
| Bass Extension (-10dB) | 60Hz (measured, Audio Science Review) |
| Bass Extension (-3dB) | 78Hz (measured, Audio Science Review) |
| Bluetooth | No |
| Dimensions | 11.7"H x 7"W x 11.7"D (297.2 x 177.8 x 297.2 mm) |
| Drivers | 5" (127mm) woofer |
| EQ | Yes (Room adjustment) |
| Frequency Response | 58Hz - 24kHz (-3dB) (Manufacturer specified) |
| Inputs | XLR, RCA |
| Output Power | 70w Per Speaker |
| Weight | 12.6 lbs / 5.7 kg each |
- Links
- Reviews, Comparisons and Sound Samples
- Audio Science Review Measurements More from Audio Science Review →
- DSAUDIO.review: JBL 305P MKII vs Adam Audio T5V 6-Track Comparison More from DSAUDIOreview →
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- DSAUDIO.review: Adam Audio T5V vs Yamaha HS5 5 Track Comparison
- DSAUDIO.review: DSAUDIO.review Adam Audio A5X vs Adam Audio T5V sound.DEMO
- DSAUDIO.review: DSAUDIO.review Focal Alpha 50 EVO vs Adam Audio T5V sound.DEMO
- DSAUDIO.review: Adam Audio T5V vs Presonus Eris E5 5 Track Comparison
- DSAUDIO.review: KRK Rokit 5 G4 RP5G4 vs Adam Audio T5V Sound & Frequency Response Comparison
- DSAUDIO.review: Bright and brighter. PreSonus E5 XT takes on Adam Audio T5V SOUND & FREQUENCY RESPONSE COMPARISON
- DSAUDIO.review: Adam Audio T5V vs Adam Audio T7V Sound & Frequency Response Comparison
- Audio Science Review Measurements (spinorama.org)
- Reddit Search for Adam Audio T5V Review
- Head-to-Head Comparisons
- Adam Audio T5V vs JBL 305P MKII
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JBL One Series 104: $129 Amazon eBay
Pros: Heavy internal EQ from the amplifier meaningfully compensates for otherwise poor raw driver measurements, and casual listening on undemanding content sounded like a scaled-down JBL 305P Mark II - well above typical computer-speaker quality for the price. Solid build quality for a $90-130 powered pair with dual built-in amplifiers.
Cons: Measuring the passive drivers alone (bypassing the amplifier’s EQ) showed “no bass, no low mids, and highly irregular highs” - a disaster by the reviewer’s description. Even with the amplifier’s correction applied, there’s an on-axis cancellation around 7.4kHz from the coaxial driver design, and JBL’s own published frequency-response graph uses a compressed 95dB vertical scale that hides real deviations the reviewer’s 50dB-scale CEA-2034 measurement reveals. Female vocals and “lisping” content became bright and annoying; the reviewer’s verdict was “can’t recommend it though if you want a true hi-fi experience.”
Full JBL One Series 104 review and specifications →
| App | No |
|---|---|
| Bass Extension (-10dB) | 35Hz with the amplifier's DSP bass boost active (measured, Audio Science Review) |
| Bass Extension (-3dB) | 45Hz with the amplifier's DSP bass boost active (measured, Audio Science Review) |
| DSP | Yes |
| Dimensions | 9.7H x 6W x 4.9D in (per manufacturer, 104-BT) |
| Drivers | 4.5" coaxial low-frequency driver, 0.75" soft dome tweeter |
| EQ | Yes (fixed, amplifier-applied) |
| Frequency Response | 60Hz - 20kHz (Manufacturer specified) |
| Output Power | 60W total Class D (30W per speaker) |
| Weight | 4.5 lbs / 2.06 kg (master), 3.8 lbs / 1.73 kg (slave) |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
- JBL One Series 104 vs NHT Pro M-00
- JBL One Series 104 vs Kali Audio IN-UNF
- JBL One Series 104 vs Edifier S1000MKII
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