These are not really the same size class, and that is the honest framing here. The Sony ULT Tower 5 ranks #5 of 39 party speakers by sound quality at $449.99; the Electrotec Stage One ranks #2 of 14 battery-powered PA speakers by sound quality at $1450.
This pits Sony’s Tower 5, a compact consumer party speaker, against the Electrotec Stage One, a performer-focused battery PA. The Tower 5 offers a 9-inch woofer with dual tweeters, a removable 20-hour battery, IPX4 splash resistance, 10-band EQ with ULT1/ULT2 modes, and RCA/XLR/USB-C inputs for DJ and karaoke use. The Electrotec Stage One offers dual removable batteries for a claimed 100-hour runtime, IPX6 weatherproofing, low-latency SKAA wireless linking, app EQ and XLR mic/line I/O.
Choose the Tower 5 for big-room output and app EQ modes and a lower price: Its ULT1/ULT2/EQ modes and compact footprint suit a living-room-to-backyard party speaker better than a performer-focused PA cabinet. At $449.99 it also costs less.
Choose the Electrotec Stage One for marathon battery life and weatherproofing: Its claimed 100h battery beats the Tower 5’s 20h.
Buy the Sony ULT Tower 5 ($449.99) for a party speaker; the Electrotec Stage One ($1450) suits a battery-powered PA speaker instead.
If battery life is a priority, the Electrotec Stage One is rated for 100 hours versus 20 hours for the Sony ULT Tower 5.
Looking for alternatives? See the complete Portable Bluetooth rankings and PA & Live Sound rankings.
Specifications Side By Side
| Sony ULT Tower 5 | Electrotec Stage One | |
|---|---|---|
| Price | $449.99 | $1450 |
| Ranked | #5 of 39 in Party Size Portable Bluetooth Speakers | #2 of 14 in Battery-Powered PA Speakers |
| App | Yes (Sony Sound Connect) | Yes |
| Aux Input | RCA input | Yes |
| Battery Life | 20 hours (manufacturer specified) | 100 hours (Manufacturer specified) |
| Bluetooth Codecs | SBC, AAC, LDAC | SBC |
| Bluetooth Version | 5.3 | - |
| Built-in Microphone | No | - |
| Digital Aux Input | Yes (USB-C) | No |
| Dimensions | 14.1" x 21.1" x 11.1" (358 x 536 x 282 mm) | Not specified |
| Drivers | 3 drivers: 1x 9" woofer, 2x 2.4" tweeter | Dual 1.5" compression drivers (tweeters) + 2x 4" woofers + passive radiators (PA system configuration) |
| EQ | Yes (10 band; ULT1 / ULT2 / Flat) | Yes |
| Guitar Input | No | - |
| IP Rating | IPX4 | IPX6 |
| Microphone Input | Yes | Yes |
| Omnidirectional | No | No |
| Amplifier Power | 300W | 400W |
| Party Mode | Yes (Auracast) | Yes (SKAA) |
| Power Bank | Yes (USB-C charging) | Yes (USB-A + USB-C) |
| Power Input | AC power cord | AC Power cord |
| Removable Battery | Yes | Yes (dual) |
| Stereo | Yes | No |
| TWS | Yes (Stereo Pair) | Yes |
| USB Playback | Yes (USB-A and USB-C) | Yes |
| Weight | 28 lbs (12.7 kg) | 39.9 lbs (18.1 kg) |
| Wi-Fi | No | - |
| Lights | Yes | - |
| Outputs | - | Aux, XLR |
| Bass Extension (-10dB) | - | 48Hz |
| Inputs | - | 2x XLR/6.3mm combo (mic/line), 3.5mm stereo, USB-C audio, USB media player, Bluetooth |
| SKAA | - | Yes |
| SKAA Latency | - | 19ms |
| XLR Input | - | Yes |
| Configuration | - | Battery-powered active PA |
| Cabinet Material | - | Not specified |
| Rigging | - | Not specified |
| Coverage | - | Not specified |
| Maximum SPL | - | Not specified |
| Bass Extension (-3dB) | - | Not specified |
| DSP | - | App-controlled EQ |
| Bluetooth | - | Yes |
| Frequency Response | - | Not specified |
Related Speaker Comparisons
How Sony ULT Tower 5 compares with other leading options:
- Sony ULT Tower 5 vs Sony ULT Tower 7
- Sony ULT Tower 5 vs JBL Partybox 330
- Sony ULT Tower 5 vs JBL Partybox Stage 320
- Sony ULT Tower 5 vs JBL Partybox Club 120
- Sony ULT Tower 5 vs JBL Partybox 130
Prices on this page were last checked September 15, 2026 at 12:52 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
Sony ULT Tower 5: $449.99 Amazon eBay
Pros: At $449.99, its 300W system with a 9-inch woofer delivers a notably capable party-speaker package: a removable 20-hour battery, IPX4 splash resistance, 10-band EQ and ULT1/ULT2 modes. AudioTribe’s first impressions praise its deeper bass and clearer sound than the JBL PartyBox Club 120; it also has USB-C and USB-A, RCA, balanced XLR and mic inputs for DJ and karaoke use.
Cons: It has a shorter 20-hour battery claim than the Tower 7’s 30 hours, no wheels, and only IPX4 splash resistance. Its single-woofer, two-tweeter layout lacks the Tower 7’s 360-degree rear-driver array, and the reviewer describes the sound assessment as first impressions rather than a controlled measurement comparison.
Full Sony ULT Tower 5 review and specifications →
| Amplifier Power | 300W |
|---|---|
| App | Yes (Sony Sound Connect) |
| Aux Input | RCA input |
| Battery Life | 20 hours (manufacturer specified) |
| Bluetooth Codecs | SBC, AAC, LDAC |
| Bluetooth Version | 5.3 |
| Built-in Microphone | No |
| Digital Aux Input | Yes (USB-C) |
| Dimensions | 14.1" x 21.1" x 11.1" (358 x 536 x 282 mm) |
| Drivers | 3 drivers: 1x 9" woofer, 2x 2.4" tweeter |
| EQ | Yes (10 band; ULT1 / ULT2 / Flat) |
| Guitar Input | No |
| IP Rating | IPX4 |
| Lights | Yes |
| Microphone Input | Yes |
| Omnidirectional | No |
| Party Mode | Yes (Auracast) |
| Power Bank | Yes (USB-C charging) |
| Power Input | AC power cord |
| Removable Battery | Yes |
| Stereo | Yes |
| TWS | Yes (Stereo Pair) |
| USB Playback | Yes (USB-A and USB-C) |
| Weight | 28 lbs (12.7 kg) |
| Wi-Fi | No |
- Links
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Electrotec Stage One: $1450 Electrotec Audio eBay
Pros: An exceptionally capable battery-powered PA: dual removable batteries deliver a claimed 100-hour runtime, and high-efficiency drivers deliver very high output with a measured 48Hz -10dB bass point. It adds app EQ, IPX6 protection, mic and XLR inputs/outputs, USB playback and low-latency SKAA linking, making it unusually flexible for events and performers. Measured bass extension of 48Hz (-10dB).
Cons: It prioritizes maximum output and endurance over truly deep bass, so it will not replace a dedicated subwoofer for low-frequency-heavy music. At 18.1kg it is a substantial carry, and its focused PA-style presentation is less suitable for wide, relaxed living-room listening.
Full Electrotec Stage One review and specifications →
| Amplifier Power | 400W |
|---|---|
| App | Yes |
| Aux Input | Yes |
| Bass Extension (-10dB) | 48Hz |
| Bass Extension (-3dB) | Not specified |
| Battery Life | 100 hours (Manufacturer specified) |
| Bluetooth | Yes |
| Bluetooth Codecs | SBC |
| Cabinet Material | Not specified |
| Configuration | Battery-powered active PA |
| Coverage | Not specified |
| DSP | App-controlled EQ |
| Digital Aux Input | No |
| Dimensions | Not specified |
| Drivers | Dual 1.5" compression drivers (tweeters) + 2x 4" woofers + passive radiators (PA system configuration) |
| EQ | Yes |
| Frequency Response | Not specified |
| IP Rating | IPX6 |
| Inputs | 2x XLR/6.3mm combo (mic/line), 3.5mm stereo, USB-C audio, USB media player, Bluetooth |
| Maximum SPL | Not specified |
| Microphone Input | Yes |
| Omnidirectional | No |
| Outputs | Aux, XLR |
| Party Mode | Yes (SKAA) |
| Power Bank | Yes (USB-A + USB-C) |
| Power Input | AC Power cord |
| Removable Battery | Yes (dual) |
| Rigging | Not specified |
| SKAA | Yes |
| SKAA Latency | 19ms |
| Stereo | No |
| TWS | Yes |
| USB Playback | Yes |
| Weight | 39.9 lbs (18.1 kg) |
| XLR Input | Yes |
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