It is compatible with various surround systems with crossover frequency adjustment and phase switching, so it is recommended for those considering a subwoofer. The stylish wood grain design is perfect as an interior decoration. The exterior has a feeling of use such as dullness and small scratches. Serial AL-HE000556JP (Takahashi Nobuyuki)
Maintenance information: 2026.1.16 Operation confirmed
Accessories: none
Main specifications: Bass reflex anti-magnetic design (EIAJ) speaker unit, 16 cm cone type playback frequency band, 32 to 200 Hz (-15 dB), rated output, 80 W (EIAJ), high cut filter, 50 to 200 Hz (continuously variable), phase switching, 0°/180° (switching), external dimensions W190 x H420 x D430 mm
The disposal price has been reduced. Member prices are not applicable. 2025.11.9 sales price 8,000 yen ※There are no basic operation issues, but there are gaps in the switches, and since they are cheap, they are sold as is without warranty. It is a small subwoofer that makes clear, high-quality deep bass. It is convenient for low frequency correction and surround sound, and the design is good so you can place it in a room without feeling uncomfortable. There is sunburn, dullness, and dirt (Oikawa Tetsuji)
Maintenance information: 2025.11.9 operation confirmed
Accessories: none
Main specifications: 120W, 28 to 200 Hz, dimensions W290 x H350 x D349 mm, weight 11.5 kg
The disposal price has been reduced. Member prices are not applicable. 2025/10/23 sales price 5,000 yen Since it is a woofer only, it is cheap, and it is currently sold. It is a 2.1 channel speaker system that perfectly matches Bose's unique compact, high-performance speaker technology with bass reproduction technology (Daiki Goto)
Maintenance information: 2025.10.23 Operation confirmed
Accessories: none
Main specifications: rated input 100W impedance 6Ω subwoofer 13cm drivers x 2 W485 x H358 x D192 mm 9.1 kg
The price has been reduced. 2026/1/12 sales price 79,800 yen ※ 2019 recall compatible, cheap due to poor condition. With fine adjustments, you can obtain high-definition ultra-low frequencies that are ideal for both music playback and cinema sound. The output impedance can be set to 5 levels with the DIP switch, and bus damping can be adjusted to suit your preferences. The built-in network can also adjust the rolloff frequency to 9 levels with a DIP switch. You can see the exterior, paint peeling and deterioration, dullness, abrasions, etc. (Kobayashi Hitoshi)
Maintenance information: 2026.1.10 Operation confirmed
Accessories: power cable
Main specifications: 305 mm polypropylene cone unit x 2 playback frequency 15 Hz to 105 Hz built-in amplifier 200W/4 ohm size W438 x D438 x H640 mm weight 46 kg
The disposal price has been reduced. Member discounts are not applicable. 2025/12/27 sales price 120,000 yen A large elevy woofer that makes even vast classical sounds effortlessly. This is the 30W unit mounted on the masterpiece Patrician 800. The low range sound emitted from the giant body is truly impressive. (MURAKOSHI Yoichi)
Maintenance information: 2025.12.25 Operation confirmed
Accessories: none
Main specifications: frequency band 15 to 300 Hz maximum input 150 W impedance 8 ohms diameter 756 x depth 340 mm 15.4 kg
1 bottle only Fostex 16cm woofer It is a woofer that responds quickly and is sharp, can be combined with a backroad, and can also be combined with a bass reflex, so those who make their own can enjoy a variety of things. There is a scratch on the frame. (TAMURA Eiji)
Maintenance information: 2026.1.14 sweep check OK
Accessories: original box
Main specifications: impedance 8 ohms playback frequency band 40 Hz to 9 kHz output sound pressure level 89dB maximum input 100W crossover 3000 Hz baffle aperture diameter 151 mm screw pitch (diagonal) 174 mm weight 3.9 kg
*Currently sold. A subwoofer that powerfully reproduces the energy and passion contained in movies and music. Despite its compact size, it gives depth to music and reproduces the powerful bass of movies (Oikawa Tetsuji)
Maintenance information: 2025.12.24 Operation confirmed
Accessories: none
Main specifications: 28-200Hz W295×H345×D400mm 11.5kg
The price has been drastically reduced. 2025/10/6 sales price 79,800 yen It is cheap because the viscoid hangs conspicuously on one side. Altech's classic woofer. Although it is ferrite, it produces bright bass with good emission. It's a sound method that puts emphasis on mid and low tones, so I can hear vocal breath well (Sasaki Shota)
Maintenance information: 2025.10.6 sweep test good
Accessories: none
Main specifications: 38cm woofer, 16 ohm, ferrite frequency band, 20 to 1000 Hz, 101 dB, recommended crossover, 500 Hz, baffle opening, 359 mm, baffle opening, 359 mm, rim outer diameter, φ408 x D162 mm, screw pitch: 380 mm, 10 kg
*Currently sold. A subwoofer from ONKYO's cinema bass package “BASE-SW50.” You can see a feeling of use, such as appearance, dullness, abrasions, etc. (Kobayashi Hitoshi)
Maintenance information: 2025.12.23 Operation confirmed
Accessories: none
Main specifications: W246 x H310 x D310 mm 7.2 kg
A dedicated add-on subwoofer for music. It is an easy-to-use woofer that can continuously control the crossover frequency of the low pass filter in the range of 50 Hz to 150 Hz according to the speaker system to be combined. There are bruises in places (Oikawa Tetsuji)
Maintenance information: 2026.1.6 operation confirmed
Accessories: power cable, instruction manual
Main specifications: frequency characteristics with built-in amplifier 20 Hz to 220 Hz (-10 dB) (when LOW PASS freq. 150 Hz) crossover frequency 50 to 150 Hz W300 ✕ H320 ✕ D370 mm weight 13.1 kg
The price has been drastically reduced. 2025/11/27 sales price 6,000 yen. 20cm woofer by Sansui Constructed with an aluminum center cap and inverted dome edge The large Alnico magnet makes you expect a sound with high cost performance. Viscoid marks on one side of the cone (Murakoshi Yoichi)
Maintenance information: 2025.11.22 sound output confirmed
Accessories: none
Main specifications: 20cm 7.8Ω 15W diameter 230mm depth 120mm
The disposal price has been reduced. Member discounts are not applicable. 2025/10/18 sales price 79,800 yen It is cheap because the cone has viscoid drips on one side. Altech's classic woofer. Although it is ferrite, it produces bright bass with good emission. It's a sound method that puts emphasis on mid and low tones, so you can hear vocal breath well. Dullness, scratches, etc. can be seen on the exterior (Kobayashi Hitoshi)
Maintenance information: 2025.10.15 Operation confirmed
Accessories: none
Main specifications: 38cm woofer, 16 ohm, ferrite frequency band, 20 to 1000 Hz, 101 dB, recommended crossover, 500 Hz, baffle opening, 359 mm, baffle opening, 359 mm, rim outer diameter, φ408 x D162 mm, screw pitch: 380 mm, 10 kg
The disposal price has been reduced. Member prices are not applicable. 2024/9/16 sales price 59,800 yen edge has been replaced! This is a 38cm passive woofer for use in combination with 136A. I think it would be interesting to team up with 136A in a 150-liter enclosure and use 075 to make a replica of the Olympus S8R (Oikawa Tetsuji)
Maintenance information: 2024.9.16 Maintained (edge replacement, damper adhesion repair)
Accessories: none
Main specifications: 38cm cone type passive radiator recommended enclosure 114 L to 169 L 3.2 kg
The price has been reduced. 2025/5/25 sales price 25,000 yen ※1 bottle only, the center cap is dented, and the cone paper is scratched. 38cm woofer from JBL. It can also be used in theaters and is used as a bass horn driver or multi-woofer system. Thin cone paper and hard edges make it possible to play bass without feeling lumpy (Oikawa Tetsuji)
Maintenance information: 2025.5.25 Operation confirmed
Accessories: none
Main specifications: 40Hz to 2kHz 8Ω 101 dB 100W front mount 355 mm rear mount 343 mm screw pitch 370 mm diameter 388 x D146 mm 7.7 kg
The price has been drastically reduced. 2025/11/27 sales price 5,000 yen. Lodi's 20cm cone woofer. It consists of Alnico and a fixed edge, very similar to the one mounted on the HS-1400WA. There are color stains on corn paper, and there is a feeling of use (Murakoshi Yoichi)
Maintenance information: 2025.11.16 sound output confirmed
Accessories: none
Main specifications: 20cm 8Ω 30W diameter 270mm, depth 100mm
*Currently sold. Affordable and compact subwoofer. The low frequencies are also solid, and the sound has a sense of weight. There is a scratch on the top plate (Sasaki Shota)
Maintenance information: 2025.12.5 operation confirmed
Accessories: manual, cable
Main specifications: maximum output 60W W270 × H312 × D333 mm 10.3 kg
The price has been reduced. 2025/10/6 selling price 99,800 yen Altech's classic woofer. Although it is ferrite, it produces bright bass with good discharge. It's a sound method that puts emphasis on mid and low tones, so I can hear vocal breath well (Sasaki Shota)
Maintenance information: 2025.10.6 sweep test is good
Accessories: none
Main specifications: 38cm woofer, 16 ohm, ferrite frequency band, 20 to 1000 Hz, 101 dB, recommended crossover, 500 Hz, baffle opening, 359 mm, baffle opening, 359 mm, rim outer diameter, φ408 x D162 mm, screw pitch: 380 mm, 10 kg
The price has been reduced. 2025/11/25 sales price 39,800 yen ※1 bottle only. Altech's classic woofer. Although it is ferrite, it produces bright bass with good emission. It's a sound method that puts emphasis on mid and low tones, so you can hear vocal breath well. There is dirt on the edge (Oikawa Tetsuji)
Maintenance information: 2025.10.9 operation confirmed
Accessories: none
Main specifications: 38cm woofer, 16 ohm, ferrite frequency band, 20 to 1000 Hz, 101 dB, recommended crossover, 500 Hz, baffle opening, 359 mm, baffle opening, 359 mm, rim outer diameter, φ408 x D162 mm, screw pitch: 380 mm, 10 kg
The price has been drastically reduced. 2025/10/9 sales price 39,800 yen ※1 bottle only. Altech's classic woofer. Although it is ferrite, it produces bright bass with good emission. It's a sound method that puts emphasis on mid and low tones, so I can hear vocal breath well (Oikawa Tetsuji)
Maintenance information: 2025.10.9 operation confirmed
Accessories: none
Main specifications: 38cm woofer, 16 ohm, ferrite frequency band, 20 to 1000 Hz, 101 dB, recommended crossover, 500 Hz, baffle opening, 359 mm, baffle opening, 359 mm, rim outer diameter, φ408 x D162 mm, screw pitch: 380 mm, 10 kg
The disposal price has been reduced. Member prices are not applicable. 2025/8/10 sales price 2,000 yen ※1 bottle only, currently sold. This is a 17cm flat woofer that was mounted on the company's SS-X300. An aluminum honeycomb diaphragm is used as the diaphragm to achieve high rigidity. There is a scratch on the diaphragm on the exterior (Mizusaki Ryo)
Maintenance information: 2025.8.10 sound output confirmed
Accessories: none
Main specifications: 17 cm woofer diameter 165 mm x depth 78 mm weight 1.6 kg
The disposal price has been reduced. Member prices are not applicable. 2025/8/10 sales price 3,000 yen ※1 bottle only, currently sold. Visaton 17cm woofer If you are a self-made artist, don't miss it. The speaker cable is soldered. There is a note on the original box (Mizusaki Ryo)
Maintenance information: 2025.8.10 sound output confirmed
Accessories: original box
Main specifications: 17 cm woofer impedance 8 ohms output sound pressure level 88 dB diameter 165 mm x depth 80 mm weight 900 g
The price has been drastically reduced. 2025/8/1 sales price 79,800 yen There is no problem with the sound output operation, but it is inexpensive because there are very small cracks and many viscoids on the edges. JBL's classic 38cm woofer. The sharp, bouncy low range and high efficiency are attractive. It is a model that is easy to match with both 2-way and 3-way (Shota Sasaki)
Maintenance information: 2025.8.1 sweep test is good
Accessories: none
Main specifications: 38cm woofer, allowable input, 60W, 8Ω, sound pressure level, 101 dB, recommended enclosure, internal volume: 114 L to 338 L, depth: 146 mm, 8.6 kg
*Only 1 bottle is currently sold. 20cm cone woofer unit The exterior is dirty and scratched. (TERASHIMA Yuya)
Maintenance information: 2025.8.10 sound output confirmed
Accessories: none
Main specifications: 20 cm woofer diameter 200 mm x depth 118 mm weight 800 g
Disposal prices have been reduced! Member discounts do not apply. 2023/4/2 sales price 10,000 yen*Currently sold. In-ceiling subwoofer Equipped with a single 5.25-inch woofer, it provides deep bass up to 40Hz without distortion. There is a feeling of use such as exterior, fading, abrasions, etc. (Kanai Hidetsugu)
Maintenance information: 2023.4.2 sound output confirmed
Accessories: none
Main specifications: 50 Hz to 230 kHz 96 dB 6 ohm φ391 mm depth 205 mm 6.4 kg
Disposal prices have been reduced. Member discounts do not apply. 2022/12/29 sales price 10,000 yen. In-ceiling subwoofer Equipped with a single 5.25-inch woofer, it provides deep bass up to 40Hz without distortion. There is a feeling of use on the exterior, dullness, abrasions, etc. (Kobayashi Hitoshi)
Maintenance information:2022.12.28 operation confirmed
Accessories: instruction manual (copy)
Main specifications: 50 Hz to 230 kHz 96 dB 6 ohm φ391 mm depth 205 mm 6.4 kg
Disposal prices have been reduced! Member discounts do not apply. 2023/4/2 sales price 10,000 yen*Currently sold. The safety wire is broken. In-ceiling subwoofer Equipped with a single 5.25-inch woofer, it provides deep bass up to 40Hz without distortion. There is a feeling of use on the exterior, such as fading, abrasions, etc. (Kanai Hidetsugu)
Maintenance information:2023.4.2 sound output confirmed
Accessories: none
Main specifications: 50 Hz to 230 kHz 96 dB 6 ohm φ391 mm depth 205 mm 6.4 kg
Disposal prices have been reduced! Member discounts do not apply. 2023/4/2 sales price 10,000 yen*Currently sold. The safety wire is broken. In-ceiling subwoofer Equipped with a single 5.25-inch woofer, it provides deep bass up to 40Hz without distortion. On the exterior, there is a feeling of use, such as cracks, fading, abrasions, etc. on the main body (Kanai Hidetsugu)
Maintenance information: 2023.4.2 sound output confirmed
Accessories: none
Main specifications: 50 Hz to 230 kHz 96 dB 6 ohm φ391 mm depth 205 mm 6.4 kg
Disposal prices have been reduced. Member discounts do not apply. 2022/12/29 sales price 10,000 yen. In-ceiling subwoofer Equipped with a single 5.25-inch woofer, it provides deep bass up to 40Hz without distortion. There is a feeling of use on the exterior, dullness, abrasions, etc. (Kobayashi Hitoshi)
Maintenance information:2022.12.28 operation confirmed
Accessories: instruction manual (copy)
Main specifications: 50 Hz to 230 kHz 96 dB 6 ohm φ391 mm depth 205 mm 6.4 kg
Disposal prices have been reduced. Member discounts do not apply. 2022/12/30 sales price 10,000 yen. In-ceiling subwoofer Equipped with a single 5.25-inch woofer, it provides deep bass up to 40Hz without distortion. There is a feeling of use on the exterior, dullness, abrasions, etc. (Kobayashi Hitoshi)
Maintenance information:2022.12.28 operation confirmed
Accessories: instruction manual (copy)
Main specifications: 50 Hz to 230 kHz 96 dB 6 ohm φ391 mm depth 205 mm 6.4 kg